(13x+7)=(6x+21)

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Solution for (13x+7)=(6x+21) equation:



(13x+7)=(6x+21)
We move all terms to the left:
(13x+7)-((6x+21))=0
We get rid of parentheses
13x-((6x+21))+7=0
We calculate terms in parentheses: -((6x+21)), so:
(6x+21)
We get rid of parentheses
6x+21
Back to the equation:
-(6x+21)
We get rid of parentheses
13x-6x-21+7=0
We add all the numbers together, and all the variables
7x-14=0
We move all terms containing x to the left, all other terms to the right
7x=14
x=14/7
x=2

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