Question

5y-9=16 guess and check

Answer 1

The answer is y=5, but you may need to work it out and show your work

Answer 2

5y - 9 = 16

add 9 to both sides leaving us with
5y = 25

divide both sides by 5
5 / 5 = 1y
25 / 5 = 5
therefore

y = 5


(What you do to one side, you do to the other).