-3(4r-8)=-81

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Solution for -3(4r-8)=-81 equation: 



-3(4r-8)=-81

We move all terms to the left:

-3(4r-8)-(-81)=0

We add all the numbers together, and all the variables

-3(4r-8)+81=0

We multiply parentheses

-12r+24+81=0

We add all the numbers together, and all the variables

-12r+105=0

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

-12r=-105

r=-105/-12

r=8+3/4

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