-12/r+4=100

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Solution for -12/r+4=100 equation: 



-12/r+4=100

We move all terms to the left:

-12/r+4-(100)=0



Domain of the equation: r!=0

r∈R



We add all the numbers together, and all the variables

-12/r-96=0

We multiply all the terms by the denominator


-96*r-12=0

We add all the numbers together, and all the variables

-96r-12=0

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

-96r=12

r=12/-96

r=-1/8

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