1/2r=-2

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Solution for 1/2r=-2 equation: 



1/2r=-2

We move all terms to the left:

1/2r-(-2)=0



Domain of the equation: 2r!=0

r!=0/2

r!=0

r∈R



We add all the numbers together, and all the variables

1/2r+2=0

We multiply all the terms by the denominator


2*2r+1=0

Wy multiply elements

4r+1=0

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

4r=-1

r=-1/4

r=-1/4

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