-4(r-1)=2(r+11)

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Solution for -4(r-1)=2(r+11) equation: 



-4(r-1)=2(r+11)

We move all terms to the left:

-4(r-1)-(2(r+11))=0

We multiply parentheses

-4r-(2(r+11))+4=0



We calculate terms in parentheses: -(2(r+11)), so:

2(r+11)

We multiply parentheses

2r+22

Back to the equation:

-(2r+22)



We get rid of parentheses

-4r-2r-22+4=0

We add all the numbers together, and all the variables

-6r-18=0

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

-6r=18

r=18/-6

r=-3

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