-413=7(7r-8)+2r

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Solution for -413=7(7r-8)+2r equation: 



-413=7(7r-8)+2r

We move all terms to the left:

-413-(7(7r-8)+2r)=0



We calculate terms in parentheses: -(7(7r-8)+2r), so:

7(7r-8)+2r

We add all the numbers together, and all the variables

2r+7(7r-8)

We multiply parentheses

2r+49r-56

We add all the numbers together, and all the variables

51r-56

Back to the equation:

-(51r-56)



We get rid of parentheses

-51r+56-413=0

We add all the numbers together, and all the variables

-51r-357=0

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

-51r=357

r=357/-51

r=-7

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