Two-Step Equations with Integers

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2y + 10 = 28

• y = 9
• y = 56
• y = 28
• y = 10

In the equation

x + 7 = 12

7 is being added to the variable, x.

How should you show your work to isolate the variable and solve the equation?

• Subtract 7 from both sides. The solution is x = 5.

• Add 7 to both sides.

  The solution is x = 19.

• Multiply both sides by 7 The solution is x = 84.

26 = 5a + 1

• a= 5 ⁴∕₅
• a= no solution
• a= 0
• a= 5

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

4y + 1 = 13

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