-16/r=4

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Solution for -16/r=4 equation: 



-16/r=4

We move all terms to the left:

-16/r-(4)=0



Domain of the equation: r!=0

r∈R



We multiply all the terms by the denominator


-4*r-16=0

We add all the numbers together, and all the variables

-4r-16=0

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

-4r=16

r=16/-4

r=-4

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