-12+6x=2(21x+40)+x

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Solution for -12+6x=2(21x+40)+x equation: 



-12+6x=2(21x+40)+x

We move all terms to the left:

-12+6x-(2(21x+40)+x)=0



We calculate terms in parentheses: -(2(21x+40)+x), so:

2(21x+40)+x

We add all the numbers together, and all the variables

x+2(21x+40)

We multiply parentheses

x+42x+80

We add all the numbers together, and all the variables

43x+80

Back to the equation:

-(43x+80)



We get rid of parentheses

6x-43x-80-12=0

We add all the numbers together, and all the variables

-37x-92=0

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

-37x=92

x=92/-37

x=-2+18/37

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