Models to Solve 2-Step Equations

Front

What is the first step in solving the equation 2x + 1 = 7?

Back

Add 1 negative to each side.

Front

2x - 9 = 5

Back

x = 7

Front

2x + 4 = 10

Back

x = 3

Front

2x + 5 = 13. What is the first step in finding the value of x?

Back

Subtract 5 rectangles from each side of the equation.

Front

First step in solving 4x + 1 = 9?

Back

Subtract 1 candy from each side of the model.

Front

Which model shows 3m + 2 = 14?

Back

Front

Equation: 2w + 5 = 9. What is the last step in finding the value of w?

Back

Divide 4 counters into 2 equal groups.

Front

Equation: 3x + 4 = 5

Back

Front

4x + 2 = 10

Back

x = 2

Front

2x + 1 = 4

Back

x = 1.5