13x-1=(12x+15)+7x

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Solution for 13x-1=(12x+15)+7x equation: 



13x-1=(12x+15)+7x

We move all terms to the left:

13x-1-((12x+15)+7x)=0



We calculate terms in parentheses: -((12x+15)+7x), so:

(12x+15)+7x

We add all the numbers together, and all the variables

7x+(12x+15)

We get rid of parentheses

7x+12x+15

We add all the numbers together, and all the variables

19x+15

Back to the equation:

-(19x+15)



We get rid of parentheses

13x-19x-15-1=0

We add all the numbers together, and all the variables

-6x-16=0

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

-6x=16

x=16/-6

x=-2+2/3

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