Respuesta :

daleklordexterminato

Answer:

x = 18

Step-by-step explanation:

y = x + 8

2x + y = -10

Add 10 to 8, then subtract x from 2x leaving you with one x, and finally subtract y from y leaving you with X = 18
y=x+8
2x+y=-10

2x + x + 8= -10
-8 3x + 8 =-10 -8
3x =-18
x = -6

y= -6 + 8
y= 2