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20
Simplify: -3x + -8x + 2y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-11x + 2y
Solve: |-4x + 6| = 8
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve for x: -1x + -3 = 1
Solve the linear equation.
Subtract b from both sides, then divide by a.
-4
Solve for x: 11x + -23 = -243
Solve the linear equation.
Subtract b from both sides, then divide by a.
-20
What is 41% of 200?
Compute the percent value (integer-safe).
Compute 41/100 × 200.
82
Solve: |2x + 3| = 17
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
7, -10
What is 49% of 500?
Compute the percent value (integer-safe).
Compute 49/100 × 500.
245
Solve: 9x + -6 > -123
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > -13
What is 30% of 30?
Compute the percent value (integer-safe).
Compute 30/100 × 30.
9
What is 79% of 600?
Compute the percent value (integer-safe).
Compute 79/100 × 600.
474
Simplify: -5x + 4x + -5y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-1x - 5y
Solve for x: -2(x + 3) = 14
Solve a two-step equation.
Divide both sides by a, then subtract b.
-10
Solve for x: -8x + 6 = -10
Solve the linear equation.
Subtract b from both sides, then divide by a.
2
Solve for x: 1(x + 3) = 13
Solve a two-step equation.
Divide both sides by a, then subtract b.
10
Simplify: 5x + 7x + 5y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
12x + 5y
Solve for x: 5(x + 1) = 20
Solve a two-step equation.
Divide both sides by a, then subtract b.
3
What is 113% of 100?
Compute the percent value (integer-safe).
Compute 113/100 × 100.
113
Solve: 2x + -17 > -13
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > 2
Solve: |3x + 13| ≤ 20
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-11 ≤ x ≤ 2
What is 49% of 600?
Compute the percent value (integer-safe).
Compute 49/100 × 600.
294
Solve: |-4x + 8| = 2
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
If each item costs 7 dollars and the total cost is 28, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
4
What is 110% of 0?
Compute the percent value (integer-safe).
Compute 110/100 × 0.
0
If each item costs 3 dollars and the total cost is 48, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
16
Solve: |3x + 12| = 3
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-3, -5
Solve: -8x + 9 ≥ -23
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ 4
What is -47% of 0?
Compute the percent value (integer-safe).
Compute -47/100 × 0.
0
Solve: |-2x + 11| ≤ 6
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
3 ≤ x ≤ 8
Solve for x: 7(x + 3) = 119
Solve a two-step equation.
Divide both sides by a, then subtract b.
14
Simplify: 3x + -1x + 8y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
2x + 8y
Solve: -8x + 7 < -65
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < 9
What is -49% of 200?
Compute the percent value (integer-safe).
Compute -49/100 × 200.
-98
If each item costs 18 dollars and the total cost is 216, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
12
Solve for x: 9x + -2 = 178
Solve the linear equation.
Subtract b from both sides, then divide by a.
20
If each item costs -7 dollars and the total cost is -21, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
3
Solve for x: 3(x + 13) = 66
Solve a two-step equation.
Divide both sides by a, then subtract b.
9
Simplify: 8x + 5x + -6y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
13x - 6y
If each item costs 12 dollars and the total cost is 348, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
29
Solve: 5x + -18 ≤ -78
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≤ -12
Solve for x: -1x + -15 = -31
Solve the linear equation.
Subtract b from both sides, then divide by a.
16
Solve for x: -8x + -17 = -137
Solve the linear equation.
Subtract b from both sides, then divide by a.
15
Simplify: -1x + -2x + 8y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-3x + 8y
Simplify: 7x + -4x + 6y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
3x + 6y
If each item costs 15 dollars and the total cost is -270, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-18
Solve for x: -2(x + -13) = -4
Solve a two-step equation.
Divide both sides by a, then subtract b.
15
Solve for x: 6x + 30 = 42
Solve the linear equation.
Subtract b from both sides, then divide by a.
2
What is 96% of 0?
Compute the percent value (integer-safe).
Compute 96/100 × 0.
0
What is 138% of 450?
Compute the percent value (integer-safe).
Compute 138/100 × 450.
621
Simplify: -8x + -1x + -8y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-9x - 8y
Simplify: 3x + -7x + -5y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-4x - 5y
What is 26% of 450?
Compute the percent value (integer-safe).
Compute 26/100 × 450.
117
Simplify: 1x + 4x + -1y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
5x - 1y
Simplify: -1x + -5x + -7y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-6x - 7y
What is 95% of 0?
Compute the percent value (integer-safe).
Compute 95/100 × 0.
0
Solve: |6x + 17| ≤ 11
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-4 ≤ x ≤ -1
Simplify: 4x + 6x + 2y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
10x + 2y
What is 18% of 150?
Compute the percent value (integer-safe).
Compute 18/100 × 150.
27
Solve: -7x + -11 > 80
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > -13
Simplify: -5x + 2x + 6y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-3x + 6y
Solve for x: -11x + -14 = -14
Solve the linear equation.
Subtract b from both sides, then divide by a.
0
Solve: |-1x + -7| = 2
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-9, -5
If each item costs 5 dollars and the total cost is 95, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
19
Solve: -6x + -10 > -40
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > 5
Solve: |2x + 8| = 13
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve for x: 4x + 24 = 32
Solve the linear equation.
Subtract b from both sides, then divide by a.
2
What is 75% of 32?
Compute the percent value (integer-safe).
Compute 75/100 × 32.
24
Solve for x: -7x + -14 = -147
Solve the linear equation.
Subtract b from both sides, then divide by a.
19
Simplify: 5x + -8x + -7y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-3x - 7y
Simplify: -1x + 3x + 1y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
2x + 1y
Solve: |-6x + 5| ≤ 13
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 3
Solve for x: 3x + 30 = 24
Solve the linear equation.
Subtract b from both sides, then divide by a.
-2
Solve: |2x + 5| ≤ 6
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-5 ≤ x ≤ 0
Solve: 2x + -15 < -31
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < -8
Solve: |-2x + 10| = 13
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
If each item costs 14 dollars and the total cost is -126, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-9
Solve: |-1x + 11| ≤ 9
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
2 ≤ x ≤ 20
Solve: |-4x + 15| ≤ 13
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
1 ≤ x ≤ 7
What is 2% of 150?
Compute the percent value (integer-safe).
Compute 2/100 × 150.
3
If each item costs 5 dollars and the total cost is -25, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-5
Solve for x: -4(x + -3) = 56
Solve a two-step equation.
Divide both sides by a, then subtract b.
-11
Solve: |-7x + -10| = 0
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve: |8x + -4| ≤ 6
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
0 ≤ x ≤ 1
Simplify: -8x + 1x + -7y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-7x - 7y
Simplify: 4x + -2x + 1y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
2x + 1y
Solve for x: -3(x + -8) = 48
Solve a two-step equation.
Divide both sides by a, then subtract b.
-8
Solve: 10x + 8 > 128
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > 12
Solve for x: -7(x + 2) = 49
Solve a two-step equation.
Divide both sides by a, then subtract b.
-9
Solve for x: 4(x + -1) = -20
Solve a two-step equation.
Divide both sides by a, then subtract b.
-4
What is 108% of 175?
Compute the percent value (integer-safe).
Compute 108/100 × 175.
189
If each item costs 3 dollars and the total cost is 66, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
22
Solve for x: 7(x + -1) = -42
Solve a two-step equation.
Divide both sides by a, then subtract b.
-5
What is 44% of 25?
Compute the percent value (integer-safe).
Compute 44/100 × 25.
11
Simplify: -4x + 7x + -4y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
3x - 4y
Simplify: 5x + 1x + 8y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
6x + 8y
Solve: |-4x + 17| ≤ 0
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
no integer solutions
Solve for x: 8(x + 8) = 152
Solve a two-step equation.
Divide both sides by a, then subtract b.
11
Solve: 3x + 16 < 13
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < -1
Solve: |-7x + 20| ≤ 15
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
1 ≤ x ≤ 5
If each item costs 4 dollars and the total cost is -12, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-3
If each item costs 10 dollars and the total cost is -20, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-2