Question

x+6y=-8
2x-5y=18
metodo de sustitucion

Answer 1

x = -8 - 6y

2(-8 -6y) -5y = 18

-16 -12y -5y = 18

-12y -5y = 18 +16

-17y = 34

y = -2

x= -8 -6(-2)

x= -8 +12

x = 4