Question

Lindsey made an error while solving this equation. 143.5 = 2 - (7(x+3). What line has the error?

(Refer to image)

A: Step 1
B: Step 2
C: Step 3
D: Step 4

Answer 1

Step 1

Explanation:

She didn't distribute the negative while she distributed 7. It should be -7x - 21, not 7x - 21.