Question

HELP WITH SOLVING SYSTEMS WITH THREE VARIABLES, WILL MEDAL

-2x + 2y +3z = 0
-2x - y + z = -3
2x + 3y + 3z = 5

I'm not sure how to work it out, I have to do it by elimination

Answer 1

1) x = (3z+2y)/2
2) x = (z-y+3)/2
3) x = (3z+3y-5)/2