Solve the system by elimination

Question

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

Answer 1

add #1 and #3 , the x's disappear
add # 2 and #3 , the x's disappear

you now 2 equations with y and z
use your favourite method to solve for y and z, then go
back to one of the originals to get x