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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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



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

-3(-3x+4)

We multiply parentheses

9x-12

Back to the equation:

-(9x-12)



We add all the numbers together, and all the variables

9x-(9x-12)-7=0

We get rid of parentheses

9x-9x+12-7=0

We add all the numbers together, and all the variables

5!=0

There is no solution for this equation

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