Answer:
x = -4
y = -4
Explanation:
L1 x - 5y = 16
L2 4x - 2y = -8
4*L1 - L2
4x - 20y = 64
-4x + 2y = 8
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-18y = 72
y = 72 / -18
x - 5y = 16
x = 16 + 5y
x = 16 + 5(-4)
x = 16 - 20
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