-r/2=2

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Solution for -r/2=2 equation: 



-r/2=2

We move all terms to the left:

-r/2-(2)=0

We multiply all the terms by the denominator


-r-2*2=0

We add all the numbers together, and all the variables

-1r-4=0

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

-r=4

r=4/-1

r=-4

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