Answer:
a) x = 12 y = 31
Explanation:
(5x-7) = (3x+17)
2x - 7 = 17
2x = 24
x = 12
5(12)-7 + 4y+3 = 180
60-7 = 53 + 4y + 3
56 + 4y = 180
4y = 124
y= 31
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