-200=-5(-7r-2)

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Solution for -200=-5(-7r-2) equation: 



-200=-5(-7r-2)

We move all terms to the left:

-200-(-5(-7r-2))=0



We calculate terms in parentheses: -(-5(-7r-2)), so:

-5(-7r-2)

We multiply parentheses

35r+10

Back to the equation:

-(35r+10)



We get rid of parentheses

-35r-10-200=0

We add all the numbers together, and all the variables

-35r-210=0

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

-35r=210

r=210/-35

r=-6

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