25+2r=55

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Solution for 25+2r=55 equation: 



25+2r=55

We move all terms to the left:

25+2r-(55)=0

We add all the numbers together, and all the variables

2r-30=0

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

2r=30

r=30/2

r=15

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