radomes.openskiesproject.org
shabiyaghumra19 shabiyaghumra19
  • 14-07-2016
  • Mathematics
Answered

Solve the equation 2x=5(7-x)

Verified Answer :

dalendrk
dalendrk dalendrk
  • 14-07-2016

\(2x=5(7-x)\\\\2x=5\cdot7-5\cdot x\\\\2x=35-5x\ \ \ |add\ 5x\ to\ both\ sides\\\\7x=35\ \ \ \ |divide\ both\ sides\ by\ 7\\\\\boxed{x=5}\)

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Brahimilaf2
Brahimilaf2 Brahimilaf2
  • 14-07-2016

Hello ;
2x = 35-5x ...
2x + 5x = 35 ...
7x = 35 ...
x = 35/7 ...
x = 5 .

Answer Link

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