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

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



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

We move all terms to the left:

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



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

r∈R



We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We multiply all the terms by the denominator


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

Wy multiply elements

6r^2(2-3r(2-1=0

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