Answer:
x = 14 y = 37
Explanation:
180 - (9x + 12) = 3x
180 - 9x - 12 = 3x
168 = 12x
x = 14
4y - 10 + 3(14) = 180
4y - 10 + 42 = 180
4y + 32 = 180
4y = 148
y = 37
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