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ktoolan
ktoolan ktoolan
  • 26-01-2016
  • Mathematics
Answered

2/x-1 + 8/2x-2 = 7


solve the equation (the answer has to be a fraction)

Verified Answer :

Panoyin
Panoyin Panoyin
  • 26-01-2016

\(\frac{2}{x - 1} + \frac{8}{2x - 2} = 7\)
\(\frac{2}{x - 1} + \frac{2(4)}{2(x) - 2(1)} = 7\)
\(\frac{2}{x - 1} + \frac{2(4)}{2(x - 1)} = 7\)
\(\frac{2}{x - 1} + \frac{4}{x - 1} = 7\)
\(\frac{2 + 4}{x - 1} = 7\)
\(\frac{6}{x - 1} = 7\)
\(7(x - 1) = 6\)
\(7(x) - 7(1) = 6\)
\(7x - 7 = 6\)
\(7x = 13\)
\(\frac{7x}{7} = \frac{13}{7}\)
\(x = 1\frac{6}{7}\)

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