Respuesta :

backseatdog
You may have variables in the denominator.  A variable is just an unknown number so there is no reason for it to be unsolvable

To solve for x, isolate x my algebraic manipulation:

1/2 + 3/x = 3/4

3/x = 3/4 - 1/2

3/x = 3/4 - 2/4

3/x = 1/4

3 = 1/4 * x


3 * 4 = x

x = 12

A solution is x = 12.  You may plug in 12 back to the equation to make sure it works, and it certainly does!

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