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angle1 angle1
  • 21-04-2015
  • Mathematics
Answered

what is the solution of 3+log(7x-2)=6

Verified Answer :

konrad509
konrad509 konrad509
  • 21-04-2015

\(D:7x-2\ \textgreater \ 0\\ D:7x\ \textgreater \ 2\\ D:x\ \textgreater \ \dfrac{2}{7}\\\\ 3+\log(7x-2)=6\\ \log(7x-2)=3\\ 10^3=7x-2\\ 100=7x-2\\ 7x=102\\ x=\dfrac{102}{7}\)

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