Question

$\frac{3}{x - 2} = \frac{1}{x - 1} + \frac{7}{(x - 1)(x - 2)}$
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Answer 1

Respuesta:

x = 4

Explicación paso a paso:

      $\frac{3}{x-2}= \frac{1}{x-1}+ \frac{7}{(x-1)(x-2)}\\\\\frac{3}{x-2}= \frac{(x-2)+7}{(x-1)(x-2)}\\\\(x-1)*(x-2)*\frac{3}{x-2}=x-2+7\\\\(x-1)*3=x+5\\\\3x-3=x+5\\\\3x-x=5+3\\\\2x=8\\\\x=\frac{8}{2}\\\\x=4$