Question

x-2y = 13
x+6y = -3
(metodo de 2x2 en igualacion)​

Answer 1

X=13+2y
X=-3-6y

13+2y=-3-6y
2y+6y=-3-13
8y=-16
Y=-16/8
Y=-2

X=13+2y
X=13+2•(-2)
X=13-4
X=9