2-r=-2+3(2+3r)

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



2-r=-2+3(2+3r)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(-2+3(3r+2)), so:

-2+3(3r+2)

determiningTheFunctionDomain
3(3r+2)-2

We multiply parentheses

9r+6-2

We add all the numbers together, and all the variables

9r+4

Back to the equation:

-(9r+4)



We get rid of parentheses

-1r-9r-4+2=0

We add all the numbers together, and all the variables

-10r-2=0

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

-10r=2

r=2/-10

r=-1/5

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