-2(2/r)=-2

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Solution for -2(2/r)=-2 equation: 



-2(2/r)=-2

We move all terms to the left:

-2(2/r)-(-2)=0



Domain of the equation: r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

-2(+2/r)-(-2)=0

We add all the numbers together, and all the variables

-2(+2/r)+2=0

We multiply parentheses

-4r+2=0

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

-4r=-2

r=-2/-4

r=1/2

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