Help with #7. Can someone show me step by step how to do please

Question

asked Jul 20, 2019 5.9k views

1 Answer

Vince VD · Answer 1 · 2019-07-25T09:08:45+0000

Answer:

Explanation:

9y + 12 = 4y - 10

Sub. 4y from both sides

5y + 12 = 10

Sub. 12 from both sides

5y = -2

Divide 5from both sides

y = -2/5

Substitute -2/5 into 4y - 10