-3r+9(7r+9)=-27+6r

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Solution for -3r+9(7r+9)=-27+6r equation: 



-3r+9(7r+9)=-27+6r

We move all terms to the left:

-3r+9(7r+9)-(-27+6r)=0

We add all the numbers together, and all the variables

-3r+9(7r+9)-(6r-27)=0

We multiply parentheses

-3r+63r-(6r-27)+81=0

We get rid of parentheses

-3r+63r-6r+27+81=0

We add all the numbers together, and all the variables

54r+108=0

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

54r=-108

r=-108/54

r=-2

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