Question

Resolva o seguinte sistema linear:
2x-y=2
3y+z=2
-3x+2z=1

Answer 1

y=-2+2x
z=2-3y
z=1+3x/2


1+3x/2=2-3y

1+3x=4-6y
1+3x=4-6.(-2+2x)
1+3x=4+12-12x
15x=15 x=1
y=-2+2.1
y=0
z=2-3.0
z=2