Respuesta :

x + y = 2

x+5y-10=x+4y-8
-4y -4y

x+y-10=-8
+10 +10

x+y = 2

Answer:

y = 2

Step-by-step explanation:

x + 5y - 10 = 0

x = 4y -8

We have the equation:

4y - 8 + 5y - 10 = 0

9y - 18 = 0

9y = 18

y = 2