-4(r+3)=-57

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Solution for -4(r+3)=-57 equation: 



-4(r+3)=-57

We move all terms to the left:

-4(r+3)-(-57)=0

We add all the numbers together, and all the variables

-4(r+3)+57=0

We multiply parentheses

-4r-12+57=0

We add all the numbers together, and all the variables

-4r+45=0

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

-4r=-45

r=-45/-4

r=11+1/4

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