Answer:
y = 7 x = -11/3
Explanation:
3x + 4y = 17
- (3x + 2y = 3)
Distribute the minus sign and add together
3x + 4y = 17
- 3x - 2y = -3
------------------------
2y = 14
Divide by 2
2y/2 = 14/2
y = 7
Now find x
3x + 4y = 17
3x +4(7) = 17
3x +28 = 17
Subtract 28 from each side
3x+28 -28 = 17 -28
3x = -11
Divide each side by 3
3x/3 = -11/3
x = -11/3