-8(r+5)=4(r+5)

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Solution for -8(r+5)=4(r+5) equation: 



-8(r+5)=4(r+5)

We move all terms to the left:

-8(r+5)-(4(r+5))=0

We multiply parentheses

-8r-(4(r+5))-40=0



We calculate terms in parentheses: -(4(r+5)), so:

4(r+5)

We multiply parentheses

4r+20

Back to the equation:

-(4r+20)



We get rid of parentheses

-8r-4r-20-40=0

We add all the numbers together, and all the variables

-12r-60=0

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

-12r=60

r=60/-12

r=-5

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