Answers

2014-08-09T12:01:14+08:00
We let x be the number. We write: 8( \frac{1}{x}) + x = 4 + x
. We now multiply both sides of the equation by x to eliminate the fraction: x [( \frac{8}{x}) + x = 4 + x] \\ 8 +  x^{2} = 4x +  x^{2}  \\ 8 = 4x  \\ 2 = x
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