Verified Answer :

3x+-2y=12
You need to divide by 2y from -2y and 12. You get 3x=6 then divide by 3 from x and 6. and the anwser is x=2.

3x+-2y=12
-3x. -3x
_2y=-3x+12
/2. /2. /2
Y=3/2x+12