205=5(1-5r)

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



205=5(1-5r)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

5(-5r+1)

We multiply parentheses

-25r+5

Back to the equation:

-(-25r+5)



We get rid of parentheses

25r-5+205=0

We add all the numbers together, and all the variables

25r+200=0

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

25r=-200

r=-200/25

r=-8

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