13x+9=(8x+7)+(4x+14)

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Solution for 13x+9=(8x+7)+(4x+14) equation: 



13x+9=(8x+7)+(4x+14)

We move all terms to the left:

13x+9-((8x+7)+(4x+14))=0



We calculate terms in parentheses: -((8x+7)+(4x+14)), so:

(8x+7)+(4x+14)

We get rid of parentheses

8x+4x+7+14

We add all the numbers together, and all the variables

12x+21

Back to the equation:

-(12x+21)



We get rid of parentheses

13x-12x-21+9=0

We add all the numbers together, and all the variables

x-12=0

We move all terms containing x to the left, all other terms to the right

x=12

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