-205=5(1+7r)

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Solution for -205=5(1+7r) equation: 



-205=5(1+7r)

We move all terms to the left:

-205-(5(1+7r))=0

We add all the numbers together, and all the variables

-(5(7r+1))-205=0



We calculate terms in parentheses: -(5(7r+1)), so:

5(7r+1)

We multiply parentheses

35r+5

Back to the equation:

-(35r+5)



We get rid of parentheses

-35r-5-205=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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