1/2r=4

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Solution for 1/2r=4 equation: 



1/2r=4

We move all terms to the left:

1/2r-(4)=0



Domain of the equation: 2r!=0

r!=0/2

r!=0

r∈R



We multiply all the terms by the denominator


-4*2r+1=0

Wy multiply elements

-8r+1=0

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

-8r=-1

r=-1/-8

r=1/8

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