Answer:
x = 7
y = 16
upper 2 sides = 12
lower 2 sides = 19
Explanation:
2x + 5 = x + 12
combine like terms:
y - 4 = x + 5
y - 4 = 7 + 5
Upper sides = 7 + 5 = 12
Lower sides = 7 + 12 = 19
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