Respuesta :

Answer:

52 and 128

Step-by-step explanation:

x+y=180

x=-76+y

-76+2y=180

256=2y

y=128

x=52

Answer:

256

Step-by-step explanation:

You would do 180 - (-76) to get the difference. So you do 180 - (-76) on a calculator and it should give you a positive 256. Only because instead of subtracting, your basically adding.