Answer:
x = 0, y = -3
Explanation:
Multiply the first equation by 6. Now you have -30x - 18y - 54 = 0 and
4x - 18y - 54 = 0. Subtract the first equation from the second equation to get that 34x = 0, so x = 0. Plug this back in to figure out that y = -3.