-208=3(8r+3)+7r

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Solution for -208=3(8r+3)+7r equation: 



-208=3(8r+3)+7r

We move all terms to the left:

-208-(3(8r+3)+7r)=0



We calculate terms in parentheses: -(3(8r+3)+7r), so:

3(8r+3)+7r

We add all the numbers together, and all the variables

7r+3(8r+3)

We multiply parentheses

7r+24r+9

We add all the numbers together, and all the variables

31r+9

Back to the equation:

-(31r+9)



We get rid of parentheses

-31r-9-208=0

We add all the numbers together, and all the variables

-31r-217=0

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

-31r=217

r=217/-31

r=-7

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