Question

First best answer will be marked brainliest

Explanation is needed.

Answer 1

Answer:

y = 9

Step-by-step explanation:

7y-9 = 3(y+9)

7y-9 = 3y+27

send 9 RHS side

7y = 3y+27+9

7y = 3y+36

send 3y LHS side

7y-3y = 36

4y = 36

send 4 RHS side

y = 36/4

y = 9

Answer 2

Step-by-step explanation:

7y-9=3y+27

7y-3y=27+9

4y=36

y=36÷4=9

y=9