Question

which equation is shown in the model? x = 3 2x + 2 = 8 - x 2x + 2 = 8 2x + 2 = x - 8

Explanation:

Step1: Analyze left - hand side

There are 2 green 'x' blocks and 2 yellow '1' blocks, so it is 2x + 2.

Step2: Analyze right - hand side

There is 1 red '-x' block and 8 yellow '1' blocks, so it is 8 - x.

Step3: Form the equation

Combining both sides gives 2x + 2 = 8 - x.

Answer:

B. 2x + 2 = 8 - x