Respuesta :
Answer:
The Answer is A. 3y=2
Step-by-step explanation:
1) combine like terms
7y + 7 = 9 + 2y + 2y
7y +7 = 9 + 4y
Subtract 4y on both sides
3y +7 = 9
Subtract 7 on both sides
3y = 2 because 9 - 7 = 2
That my work and Answer
Hope this helps!