Question 148379
5          4       1              Solve the following literal equation for y.
___ -     ____ =    ___

 a         y        b

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Multiply thru by aby to get:
5by - 4ab = ay
5by-ay = 4ab
y(5b-a) = 4ab
y = (4ab)/(5b-a)
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Cheers,
Stan H.