Question

Método de igualación
X-y=2
2x+y=13

Answer 1

X=2+y
X=13-y/2

2(2+y)=13-y
4+2y=13-y
2y+y=13-4
3y=9
Y=9/3
Y=3

X=2+y
X=2+3
X=5

X=5
Y=3