Y=x-3 what is my answer

x = 3 or y = - 3

Step-by-step explanation:

To find x, substitute y with a 0.

0=x-3. Minus the x on both sides and x will equal 3

To find y, substitute x with a 0.

y=0-3. 0-3 equals - 3 which means that y will equal - 3