Question

What is the value of x in the equation x – y = 30, when y = 15?

Answer 1

$x-y=30 \\ y = 15 \\ x-15 = 30 \\ (x-15)+15 = 30+15 \\ x = 45$

Answer 2

Hello, the answer that you should be looking for is 45. when you plug it into the equation you should end up with 45-15=30.