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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-12x-(-12x-9)-21=0

We get rid of parentheses

-12x+12x+9-21=0

We add all the numbers together, and all the variables

-12!=0

There is no solution for this equation

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