1/r+2=10

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Solution for 1/r+2=10 equation: 



1/r+2=10

We move all terms to the left:

1/r+2-(10)=0



Domain of the equation: r!=0

r∈R



We add all the numbers together, and all the variables

1/r-8=0

We multiply all the terms by the denominator


-8*r+1=0

We add all the numbers together, and all the variables

-8r+1=0

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

-8r=-1

r=-1/-8

r=1/8

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