r+209/25=21

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Solution for r+209/25=21 equation: 



r+209/25=21

We move all terms to the left:

r+209/25-(21)=0

determiningTheFunctionDomain
r-21+209/25=0

We multiply all the terms by the denominator


r*25+209-21*25=0

We add all the numbers together, and all the variables

r*25-316=0

Wy multiply elements

25r-316=0

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

25r=316

r=316/25

r=12+16/25

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