{ 3 x - 2 y = 30 * ( 2 )
2 x + 3y = - 19 * ( -3 )
↓
6 x - 4 y = 60
- 6x - 9 y = 57
______________
-13 y = 117
y = 117 / - 13
y = - 9
For x :
3 x - 2y = 30
3 x - 2 ( -9) = 30
3 x + 18 = 30
3 x = 30 - 18
3 x = 12
x = 12 / 3
x = 4
x = 4 and y = -9
hope this helps!
