-4(r+7)=4(r-3)

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Solution for -4(r+7)=4(r-3) equation: 



-4(r+7)=4(r-3)

We move all terms to the left:

-4(r+7)-(4(r-3))=0

We multiply parentheses

-4r-(4(r-3))-28=0



We calculate terms in parentheses: -(4(r-3)), so:

4(r-3)

We multiply parentheses

4r-12

Back to the equation:

-(4r-12)



We get rid of parentheses

-4r-4r+12-28=0

We add all the numbers together, and all the variables

-8r-16=0

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

-8r=16

r=16/-8

r=-2

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