200/1+r=210/1+r

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Solution for 200/1+r=210/1+r equation: 



200/1+r=210/1+r

We move all terms to the left:

200/1+r-(210/1+r)=0



Domain of the equation: 1+r)!=0

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

r)!=-1

r!=-1/1

r!=-1

r∈R



We add all the numbers together, and all the variables

r-(+r)+200/1=0

We add all the numbers together, and all the variables

r-(+r)=0

We get rid of parentheses

r-r=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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