8(r-2)=4(r+2)

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Solution for 8(r-2)=4(r+2) equation: 



8(r-2)=4(r+2)

We move all terms to the left:

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

We multiply parentheses

8r-(4(r+2))-16=0



We calculate terms in parentheses: -(4(r+2)), so:

4(r+2)

We multiply parentheses

4r+8

Back to the equation:

-(4r+8)



We get rid of parentheses

8r-4r-8-16=0

We add all the numbers together, and all the variables

4r-24=0

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

4r=24

r=24/4

r=6

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