-x+y+2=-3 2x+2y-3z=3 3x+4y+5z

Question

-x+y+2=-3 2x+2y-3z=3 3x+4y+5z

Answer 1

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