Question

2x+y=14 2x-2y=2 metodo de sustitucion porfavor..

Answer 1

2x+y= 14
2x= 14-y
x= 7-y
R//: x= 7-y

2x-2y= 2
2x= 2+2y
x= 1+y

R//: x= 1+y

Saludos;