Respuesta :

Zebutic

Answer:

1. He ignored 4 on the first line

2. 9 - 2x

Step-by-step explanation:

4 - 2(x + 5)

4 - 2x + 5

9 - 2x

Answer:

Kwame's work is wrong because they subtracted first instead of multiplying.

2x + 6

Step-by-step explanation:

PEMDAS!!

4 - 2(x+5)

4 - 2x + 10

2x + 6