-3x+12-9x+8=3(4x+7)

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Solution for -3x+12-9x+8=3(4x+7) equation: 



-3x+12-9x+8=3(4x+7)

We move all terms to the left:

-3x+12-9x+8-(3(4x+7))=0

We add all the numbers together, and all the variables

-12x-(3(4x+7))+20=0



We calculate terms in parentheses: -(3(4x+7)), so:

3(4x+7)

We multiply parentheses

12x+21

Back to the equation:

-(12x+21)



We get rid of parentheses

-12x-12x-21+20=0

We add all the numbers together, and all the variables

-24x-1=0

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

-24x=1

x=1/-24

x=-1/24

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