shabiyaghumra19
shabiyaghumra19
14-07-2016
Mathematics
contestada
Solve the equation 2x=5(7-x)
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dalendrk
dalendrk
14-07-2016
[tex]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}[/tex]
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Brahimilaf2
Brahimilaf2
14-07-2016
Hello ; 2x = 35-5x ... 2x + 5x = 35 ... 7x = 35 ... x = 35/7 ... x = 5 .
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