Question 821559
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y - x = 5
y = x + 5
yy - xx = 5
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yy - xx = 5
(x + 5)(x + 5) - xx = 5
xx + 10x + 25 - xx = 5
10x + 25 = 5
10x = -20
x = -2
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answer:
x = -2
y = 3
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