Question

How do I get an equation from 9x-y=45 but the equation has to equal y

Answer 1

Add {Y} to both sides to get 9x=45+y
Subtract 45 from both sides and you will get Y=9x-45

Answer 2

First add y to both sides to get 9x=45+y than subtract 45 from both sides to get 9x-45=y or y=9x-45