-12(r+6)=4(r-6)

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Solution for -12(r+6)=4(r-6) equation: 



-12(r+6)=4(r-6)

We move all terms to the left:

-12(r+6)-(4(r-6))=0

We multiply parentheses

-12r-(4(r-6))-72=0



We calculate terms in parentheses: -(4(r-6)), so:

4(r-6)

We multiply parentheses

4r-24

Back to the equation:

-(4r-24)



We get rid of parentheses

-12r-4r+24-72=0

We add all the numbers together, and all the variables

-16r-48=0

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

-16r=48

r=48/-16

r=-3

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