Question 735949
2x+2y=6 

/2
x+y=3
x= 3-y
..
.

-3x+5y=(-33) 

-3(3-y)+5y=-33

-9+3y+5y=-33

8y=-24
/8
y=-3

Plug y
in x+y=3
we get x=6

(6,-3)