-r+1/2=3

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Solution for -r+1/2=3 equation: 



-r+1/2=3

We move all terms to the left:

-r+1/2-(3)=0

determiningTheFunctionDomain
-r-3+1/2=0

We add all the numbers together, and all the variables

-1r-3+1/2=0

We multiply all the terms by the denominator


-1r*2+1-3*2=0

We add all the numbers together, and all the variables

-1r*2-5=0

Wy multiply elements

-2r-5=0

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

-2r=5

r=5/-2

r=-2+1/2

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