-3(12-x)=-84

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Solution for -3(12-x)=-84 equation: 



-3(12-x)=-84

We move all terms to the left:

-3(12-x)-(-84)=0

We add all the numbers together, and all the variables

-3(-1x+12)-(-84)=0

We add all the numbers together, and all the variables

-3(-1x+12)+84=0

We multiply parentheses

3x-36+84=0

We add all the numbers together, and all the variables

3x+48=0

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

3x=-48

x=-48/3

x=-16

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