Question

HELP

Solve the following system of equations.
2x + 3y - z = 1
3x + y + 2z = 12
x + 2y - 3z = -5

A) (3, 1, 2)
B) (-3, 1, 2)
C) (3, -1, 2)
D) (3, 1, -2)

Answer 1

Ok well, first thing you want to do is pick a variable to eliminate. So which one do you want to eliminate (x,y,z)?

Answer 2

z?

Answer 3

@iambatman