geometry

proportions i'm struggling on this problem x over x+8= x- 5 over x could someone please help me solve the solution

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1. so you have
x/(x+8) = (x-5)/x ?
If so, then cross-multiply ...
x^2 = (x+8)(x-5)
x^2 = x^2 + 3x - 40
0 = 3x - 40
3x = 40
x = 40/3

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posted by Reiny

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