25+30r=65+20r

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Solution for 25+30r=65+20r equation: 



25+30r=65+20r

We move all terms to the left:

25+30r-(65+20r)=0

We add all the numbers together, and all the variables

30r-(20r+65)+25=0

We get rid of parentheses

30r-20r-65+25=0

We add all the numbers together, and all the variables

10r-40=0

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

10r=40

r=40/10

r=4

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