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

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



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

We move all terms to the left:

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



Domain of the equation: 3(2r+9)!=0

r∈R



We add all the numbers together, and all the variables

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

We multiply all the terms by the denominator


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

Wy multiply elements

-36r^2(2-1=0

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