Question

2x-y=7
x+2y=6
Resuelve la ecuación lineal

Answer 1

X=6-2y

2(6-2y)-y=7
12-4y-y=7
-4y-y=7-12
-5y=-5
Y=-5/-5
Y=1

X=6-2y
X=6-2•1
X=6-2
X=4