4=4(r+2)

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



4=4(r+2)

We move all terms to the left:

4-(4(r+2))=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

-4r-8+4=0

We add all the numbers together, and all the variables

-4r-4=0

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

-4r=4

r=4/-4

r=-1

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