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20
Solve for x: 6(x + 6) = -6
Solve a two-step equation.
Divide both sides by a, then subtract b.
-7
Simplify: -3x + 8x + 6y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
5x + 6y
Solve: -1x + 15 < 30
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < -15
Solve: |-7x + 10| = 2
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
If each item costs -6 dollars and the total cost is -78, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
13
What is -46% of 100?
Compute the percent value (integer-safe).
Compute -46/100 × 100.
-46
Simplify: 2x + -2x + 5y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
5y
Simplify: -7x + 1x + -8y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-6x - 8y
Solve: -9x + -3 > -120
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > 13
Solve for x: -2(x + 2) = -4
Solve a two-step equation.
Divide both sides by a, then subtract b.
0
Solve: 10x + 14 < -86
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < -10
Solve: |4x + -10| ≤ 4
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
2 ≤ x ≤ 3
Solve: |5x + 15| = 4
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Simplify: 5x + 2x + 7y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
7x + 7y
Solve: |-8x + -12| = 18
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve for x: 8x + 5 = 157
Solve the linear equation.
Subtract b from both sides, then divide by a.
19
Solve: |6x + -20| ≤ 11
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
2 ≤ x ≤ 5
What is 125% of 16?
Compute the percent value (integer-safe).
Compute 125/100 × 16.
20
Solve: |-2x + 3| = 10
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve for x: -2x + 1 = 37
Solve the linear equation.
Subtract b from both sides, then divide by a.
-18
Solve: |5x + 9| = 9
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
0
Solve: |-3x + 1| = 13
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-4
Solve: 1x + -11 < -22
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < -11
Solve: |7x + 14| ≤ 10
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-3 ≤ x ≤ -1
Solve for x: -1(x + 12) = -17
Solve a two-step equation.
Divide both sides by a, then subtract b.
5
Solve for x: 10x + 3 = -107
Solve the linear equation.
Subtract b from both sides, then divide by a.
-11
Solve: -7x + -4 ≥ -46
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ 6
Solve: -3x + 10 < 46
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < -12
Simplify: 1x + 0x + 5y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
1x + 5y
Simplify: 7x + -7x + 5y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
5y
Solve: |-6x + 15| = 15
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
0, 5
Solve: -10x + 11 ≤ -109
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≤ 12
Solve: |-6x + 9| ≤ 18
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 4
Solve for x: 3(x + 1) = 27
Solve a two-step equation.
Divide both sides by a, then subtract b.
8
Solve for x: 4(x + 2) = 68
Solve a two-step equation.
Divide both sides by a, then subtract b.
15
What is -10% of 70?
Compute the percent value (integer-safe).
Compute -10/100 × 70.
-7
Solve for x: 6x + -7 = -25
Solve the linear equation.
Subtract b from both sides, then divide by a.
-3
Solve: |-1x + -15| = 16
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-31, 1
If each item costs 3 dollars and the total cost is -24, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-8
Solve for x: 12x + 8 = -208
Solve the linear equation.
Subtract b from both sides, then divide by a.
-18
Solve: |2x + -5| ≤ 1
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
2 ≤ x ≤ 3
Solve: |3x + 13| ≤ 17
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-10 ≤ x ≤ 1
If each item costs 10 dollars and the total cost is -130, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-13
Solve: |-3x + -18| ≤ 4
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-7 ≤ x ≤ -5
What is 146% of 50?
Compute the percent value (integer-safe).
Compute 146/100 × 50.
73
What is 27% of 800?
Compute the percent value (integer-safe).
Compute 27/100 × 800.
216
Solve: |-3x + -18| ≤ 1
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-6 ≤ x ≤ -6
Solve: |-8x + 3| = 11
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-1
Solve for x: 7(x + 5) = 35
Solve a two-step equation.
Divide both sides by a, then subtract b.
0
What is -44% of 100?
Compute the percent value (integer-safe).
Compute -44/100 × 100.
-44
Solve: |7x + 7| = 16
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
What is 105% of 140?
Compute the percent value (integer-safe).
Compute 105/100 × 140.
147
Solve for x: 3(x + -10) = -57
Solve a two-step equation.
Divide both sides by a, then subtract b.
-9
Solve for x: 8(x + 3) = 72
Solve a two-step equation.
Divide both sides by a, then subtract b.
6
Solve: |-6x + -1| ≤ 5
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 0
Solve for x: 10x + 10 = -90
Solve the linear equation.
Subtract b from both sides, then divide by a.
-10
If each item costs 14 dollars and the total cost is -210, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-15
Solve: |2x + 3| ≤ 3
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-3 ≤ x ≤ 0
Solve: |8x + -2| ≤ 14
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 2
Solve for x: -4(x + 6) = 36
Solve a two-step equation.
Divide both sides by a, then subtract b.
-15
Simplify: -3x + -8x + 6y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-11x + 6y
Solve: -4x + 17 < -35
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < 13
What is 86% of 150?
Compute the percent value (integer-safe).
Compute 86/100 × 150.
129
If each item costs -9 dollars and the total cost is -117, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
13
What is -37% of 600?
Compute the percent value (integer-safe).
Compute -37/100 × 600.
-222
Simplify: 5x + -1x + -4y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
4x - 4y
If each item costs 2 dollars and the total cost is 4, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
2
Solve: |-3x + -17| ≤ 5
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-7 ≤ x ≤ -4
If each item costs 18 dollars and the total cost is 126, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
7
Solve: -5x + 19 > 29
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > -2
Solve: -3x + -18 < -45
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < 9
What is 90% of 30?
Compute the percent value (integer-safe).
Compute 90/100 × 30.
27
Solve: |-1x + 15| = 7
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
8, 22
Solve for x: -5(x + -1) = -65
Solve a two-step equation.
Divide both sides by a, then subtract b.
14
Solve: -3x + -6 > -36
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > 10
Solve: |1x + -8| ≤ 20
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-12 ≤ x ≤ 28
Solve for x: -11x + 9 = 185
Solve the linear equation.
Subtract b from both sides, then divide by a.
-16
Solve for x: 1(x + -3) = -18
Solve a two-step equation.
Divide both sides by a, then subtract b.
-15
What is -28% of 100?
Compute the percent value (integer-safe).
Compute -28/100 × 100.
-28
What is 139% of 700?
Compute the percent value (integer-safe).
Compute 139/100 × 700.
973
What is 42% of 200?
Compute the percent value (integer-safe).
Compute 42/100 × 200.
84
Solve: |-7x + 12| = 8
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve for x: 2(x + 14) = 28
Solve a two-step equation.
Divide both sides by a, then subtract b.
0
If each item costs 15 dollars and the total cost is 120, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
8
Simplify: 3x + -7x + -2y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-4x - 2y
Solve for x: -4(x + 10) = -12
Solve a two-step equation.
Divide both sides by a, then subtract b.
-7
Solve: |3x + 3| ≤ 14
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-5 ≤ x ≤ 3
Simplify: 8x + -2x + -5y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
6x - 5y
What is 17% of 400?
Compute the percent value (integer-safe).
Compute 17/100 × 400.
68
Solve: |-6x + -10| = 11
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve: |5x + -5| = 13
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
What is 112% of 75?
Compute the percent value (integer-safe).
Compute 112/100 × 75.
84
What is 106% of 300?
Compute the percent value (integer-safe).
Compute 106/100 × 300.
318
Solve: |-8x + -12| = 8
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve for x: 4x + -29 = -33
Solve the linear equation.
Subtract b from both sides, then divide by a.
-1
Solve: -8x + -18 ≤ -154
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≤ 17
What is 137% of 300?
Compute the percent value (integer-safe).
Compute 137/100 × 300.
411
Solve: 3x + 20 > 59
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > 13
Solve: 4x + 15 ≥ -37
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ -13
If each item costs -8 dollars and the total cost is -32, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
4