Question

Simplify expression using model below

Answer 1

the correct answer is d. -3x+5

Explanation:

1) there are 8 grey stripes, which are equal to -8x.

2) there are 5 white stripes, which are equal to 5x.

3) -8x + 5x = -3x.

4) there are 9 white squares, which are equal to 9.

5) there are 4 grey squares, which are equal to -4.

6) 9 - 4 = 5.

7) combine the two variables.

-3x + 5.