Question

What is the answer?!!!!!!!

Answer 1

Mistake: From line 4 to 5

Correct Solution:

7x - 5 = 5x + 9

2x = 14

x = 7

Explanation:

On line 4 to 5, Ms.Shreve should've subtracted 5 to 7, and add 5 to 9, not vice versa.