-3(7+4x)=-81

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Solution for -3(7+4x)=-81 equation: 



-3(7+4x)=-81

We move all terms to the left:

-3(7+4x)-(-81)=0

We add all the numbers together, and all the variables

-3(4x+7)-(-81)=0

We add all the numbers together, and all the variables

-3(4x+7)+81=0

We multiply parentheses

-12x-21+81=0

We add all the numbers together, and all the variables

-12x+60=0

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

-12x=-60

x=-60/-12

x=+5

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