Question

If x = -28 and y = -51, what is -(x + y) + (x - y)?

Answer 1

102

Explanation:

• -(x + y) + (x - y) = ⇒ opening parenthesis
• -x - y + x - y = ⇒ simplifying, x gets cancelled
• -2y = ⇒ replacing y with -51
• -2* (-51) =
• 102 ⇒ answer