1/2r-3=12-9/2r

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Solution for 1/2r-3=12-9/2r equation: 



1/2r-3=12-9/2r

We move all terms to the left:

1/2r-3-(12-9/2r)=0



Domain of the equation: 2r!=0

r!=0/2

r!=0

r∈R





Domain of the equation: 2r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

1/2r-(-9/2r+12)-3=0

We get rid of parentheses

1/2r+9/2r-12-3=0

We multiply all the terms by the denominator


-12*2r-3*2r+1+9=0

We add all the numbers together, and all the variables

-12*2r-3*2r+10=0

Wy multiply elements

-24r-6r+10=0

We add all the numbers together, and all the variables

-30r+10=0

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

-30r=-10

r=-10/-30

r=1/3

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