Help with #7. Can someone show me step by step how to do please
Answer:
Step-by-step 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