285=282.5(1+0.61r)

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Solution for 285=282.5(1+0.61r) equation: 



285=282.5(1+0.61r)

We move all terms to the left:

285-(282.5(1+0.61r))=0

We add all the numbers together, and all the variables

-(282.5(0.61r+1))+285=0



We calculate terms in parentheses: -(282.5(0.61r+1)), so:

282.5(0.61r+1)

We multiply parentheses

0r+282.5

We add all the numbers together, and all the variables

r+282.5

Back to the equation:

-(r+282.5)



We get rid of parentheses

-r-282.5+285=0

We add all the numbers together, and all the variables

-1r+2.5=0

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

-r=-2.5

r=-2.5/-1

r=2+0.5/1

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