-2/r=2

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Solution for -2/r=2 equation: 



-2/r=2

We move all terms to the left:

-2/r-(2)=0



Domain of the equation: r!=0

r∈R



We multiply all the terms by the denominator


-2*r-2=0

We add all the numbers together, and all the variables

-2r-2=0

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

-2r=2

r=2/-2

r=-1

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