Solve Two-Step Equations

The model represents the equation 4x + 1 = 9. What is the first step in finding the value of x?

• Add 1 candy to each side of the model.

• Subtract 1 candy from each side of the model.

• Add 9 candies to each side of the model.

• Divide the 9 candies equally among the 4 bags.

Which of the following models shows 3m + 2 = 14?

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The model represents the equation 2x + 4 = 6. What is the first step in finding the value of x?

• add 6 candies to each side of the model

• add 4 candies to each side of the model

• subtract 4 candies from each side of the model

• divide the candies equally among the 2 cans

The model represents the equation 2c + 1 = 11. What is the first step in finding c?

• subtract 1 counter from each side

• add 1 counter to each side

• subtract 2 counters from each side

• add 2 counters to each side

⅔x-5=7

• x=18

• x=10

• x=8

• x=11

Solve  9 + 3x = 10

• 2/3

• 1/3

• -1/3

• 4

11b+7=40

• 2

• 1

• 4

• 3

Solve   -5t + 9 = 24

• -3

• 3

• 12

15 = 2a + 7

• 2

• 4

• 12

• 14

• x = 42
• x = 1
• x = 17
• x = 18