alexiawest411 alexiawest411
  • 19-08-2020
  • Mathematics
contestada

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

Respuesta :

mhanifa
mhanifa mhanifa
  • 19-08-2020

Answer:

102

Step-by-step explanation:

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

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