Respuesta :

Answer:

-10

Step-by-step explanation:

x=17

-17+y=-27

y=-27+17

y=-10

Answer:

y = -10

Step-by-step explanation:

when x = 17

put x = 17 into the equation -x+ y = -27

(-17 ) + y = -27

-17 + 17 + y = -27 + 17

y +0 = -10

y = -10