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{:((x)/(2) + y = 0.8),((7)/(x + (y)/(2))...

`{:((x)/(2) + y = 0.8),((7)/(x + (y)/(2)) = 10):}`

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The correct Answer is:
x = 0.4, y = 0.6
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{:((10)/(x + y) - (4)/(x - y)= -2),((15)/(x + y) + (7)/(x - y) = 10):}

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(x + y) ^ (10) = x ^ (8) y ^ (2)

2x + y ge 8, x + 2y ge 10