2(6+9r)=-6(-6r+4)

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Solution for 2(6+9r)=-6(-6r+4) equation: 



2(6+9r)=-6(-6r+4)

We move all terms to the left:

2(6+9r)-(-6(-6r+4))=0

We add all the numbers together, and all the variables

2(9r+6)-(-6(-6r+4))=0

We multiply parentheses

18r-(-6(-6r+4))+12=0



We calculate terms in parentheses: -(-6(-6r+4)), so:

-6(-6r+4)

We multiply parentheses

36r-24

Back to the equation:

-(36r-24)



We get rid of parentheses

18r-36r+24+12=0

We add all the numbers together, and all the variables

-18r+36=0

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

-18r=-36

r=-36/-18

r=+2

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