Question

What must be added to x to make y?​

Answer 1

y-x needs to be added to it to make it equal y…

x+y-x=y

Evaluate the expression. x-x+y=y

x-x=0, so you're left with 0+y=y, or, y=y

Answer 2

Step-by-step explanation:

Answer is -x+y

x+(-x+y) =y