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5(-2x+4)-3x=2(2x+20)+14

 Nov 2, 2015
 #1
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5(-2x+4)-3x=2(2x+20)+14    simplify both sides

 

-10x + 20 - 3x = 4x + 40 + 14

 

-13x + 20  = 4x + 54      add 13x to both sides, subtract 54 from both sides

 

- 34  =  17x         divide both sides by 17

 

-2  = x

 

 

cool cool cool

 Nov 2, 2015

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