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October 24, 2014

October 24, 2014

Posted by **Helen** on Thursday, October 10, 2013 at 8:21pm.

y=x(ab/a-b)

- Math -
**Swaastikaa**, Friday, October 11, 2013 at 3:09amHi Helen, this is easy!

Solving the literal equation for 'a' means expressing the equation in terms of a.

Let us see the solutions step by step:

a) Multiplying the denominator a-b with y gives : y(a-b) = xab

b)Expanding the parentheses y(a-b) gives ya-yb = xab

c)Since ya and xab have 'a', the equation is now rearranged as:

ya-xab = yb

d)Taking out the 'a' from ya-xab

ya-xab = a(y-xb)

e) a(y-xb) = yb

a = yb/(y-xb)---> final answer

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