Question

7 = 5x - 13 - y

Explanation:

Step1: Rearrange terms to isolate y

$7 + 13 = 5x - y$

Step2: Simplify left-hand side

$20 = 5x - y$

Step3: Isolate y term

$y = 5x - 20$

Answer:

$y = 5x - 20$