4/r-1=2

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Solution for 4/r-1=2 equation: 



4/r-1=2

We move all terms to the left:

4/r-1-(2)=0



Domain of the equation: r!=0

r∈R



We add all the numbers together, and all the variables

4/r-3=0

We multiply all the terms by the denominator


-3*r+4=0

We add all the numbers together, and all the variables

-3r+4=0

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

-3r=-4

r=-4/-3

r=1+1/3

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