a-p = (a+p)/b the answer is p = [a(b-1)] / (b+1) but I don't know how to get from the beginning to the solution.
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First remove the fractions: Expand: Move the p to the same side and the other to the other side. Factorise p and a: Divide by (1+b) on both side to have p alone. or
Thanks!!
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