home > q&a board > math > topic: equations. please help

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posted by  Cay on 9/2/2008 7:07:46 PM  |  status: Live  

Equations. PLEASE HELP

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Question Details:
2(10-6x)=x-8x

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posted by jecstir on 9/2/2008 7:09:25 PM  |  status: Live
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Cay's comment:
"thanks so much"
Response Details:
20-12x=-7x
x=4
...rate plz!
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posted by Ctrl on 9/2/2008 7:23:08 PM  |  status: Live
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Cay's comment:
"thanks!!!! =D"
Response Details:
First distribute the left side:
2(10-6x)=x-8x

<----simplify

<----- add 12x to both sides

  <------divide both sides by 5
<------20/5 is four, and the 5's cancel on the right side, so the answer is:

x=4

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