r+5=-16+4r

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Solution for r+5=-16+4r equation: 



r+5=-16+4r

We move all terms to the left:

r+5-(-16+4r)=0

We add all the numbers together, and all the variables

r-(4r-16)+5=0

We get rid of parentheses

r-4r+16+5=0

We add all the numbers together, and all the variables

-3r+21=0

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

-3r=-21

r=-21/-3

r=+7

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