Hint: Analyse the denominator First ^_^

Algebra Level 2

Let (x,y)N(x,y) \in \mathbb{N} such that (x,y)(x,y) is the solution of

1x+1+1y1=56\frac{1}{x+1} + \frac{1}{y-1} = \frac{5}{6}.

Find x+yx+y.

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