875=500(1+30r)

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Solution for 875=500(1+30r) equation: 



875=500(1+30r)

We move all terms to the left:

875-(500(1+30r))=0

We add all the numbers together, and all the variables

-(500(30r+1))+875=0



We calculate terms in parentheses: -(500(30r+1)), so:

500(30r+1)

We multiply parentheses

15000r+500

Back to the equation:

-(15000r+500)



We get rid of parentheses

-15000r-500+875=0

We add all the numbers together, and all the variables

-15000r+375=0

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

-15000r=-375

r=-375/-15000

r=1/40

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