Solving Two-Step Equations Using Addition or Subtraction

Solve for x:
8x - 10 = -34

• 4

• 3

• -3

• -24

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5

• Subtract 5

• Multiply by 7

• Subtract 7

y + 8 = 20

• 10

• 11

• 12

• 13

k - 10 = 7

• -3

• 3

• 17

• - 17

Solve the equation.

x + 9 = -5

Mathematical Equivalence

OFF

In order to solve 6j - 9 = 27, I would first ​ (a)   , then ​ (b)   .

• add 9 to both sides

• subtract 9 from both sides

• divide by 9 on both sides

• divide both sides by 6

• subtract 6 from both sides

• add 6 to both sides

3p - 1 = 5

• 3

• 2

• 1

• 0

27 = 5r + 2

• 5

• - 5

• 5.8

• - 5.8

4x + 7 = 23

• x = 16

• x = 4

• x = 9

• x = 12

What operation would you perform first and then second when solving for m in the following equation?

10 + 7m = 17

• subtract 10, divide by 7

• divide by 7, subtract 10

• multiply by 7, add 10

• add 10, multiply by 7