12x=(17x+15)+20

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Solution for 12x=(17x+15)+20 equation: 



12x=(17x+15)+20

We move all terms to the left:

12x-((17x+15)+20)=0



We calculate terms in parentheses: -((17x+15)+20), so:

(17x+15)+20

We get rid of parentheses

17x+15+20

We add all the numbers together, and all the variables

17x+35

Back to the equation:

-(17x+35)



We get rid of parentheses

12x-17x-35=0

We add all the numbers together, and all the variables

-5x-35=0

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

-5x=35

x=35/-5

x=-7

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