225/r=1

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Solution for 225/r=1 equation: 



225/r=1

We move all terms to the left:

225/r-(1)=0



Domain of the equation: r!=0

r∈R



We multiply all the terms by the denominator


-1*r+225=0

We add all the numbers together, and all the variables

-1r+225=0

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

-r=-225

r=-225/-1

r=+225

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