Twice a number is equal to seven more than four times the number

asked May 12, 2015 107k views

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6 votes

$2x=4x+7\\ 2x=-7\\ x=-(7)/(2)$

KalC answered May 12, 2015

by KalC

8.6k points

3 votes

$x-the\ number\\\\2x=4x+7\ \ \ \ |-4x\\\\-2x=7\ \ \ \ \ |:(-2)\\\\x=-(7)/(2)\\\\x=-3.5$

Reza Sh answered May 16, 2015

8.2k points

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