How to solve 2x+3=9x-11

asked Mar 13, 2015 32.8k views

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2x+3=9x-11 -- subtract 2x from both sides and add 11 to both sides
14=7x -- divide by 7
2=x

x=2

Mohammad F answered Mar 14, 2015

8.2k points

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$2x+3=9x-11 \ \ |\ subtract\ 9x \ and \ 3\ to\ both\ sides\\\\2x+3 -9x -3=9x-11-9x-3\\\\-7x =-14 \ \ | \ divide \ both \ sides\ by\ (-7)\\\\x=2$

Zoomix answered Mar 19, 2015

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