Quiz (1 point)
Given that:
x = y
Prove that:
(a + x) + c = (a + y) + c
The following properties may be helpful:
if a = b, then x + a = x + b
if a = b, then a + c = b + c
Please write your proof in the table below. Each row should contain one claim. The last claim is the statement that you are trying to prove.