3(1+3r)=-27+3r

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Solution for 3(1+3r)=-27+3r equation: 



3(1+3r)=-27+3r

We move all terms to the left:

3(1+3r)-(-27+3r)=0

We add all the numbers together, and all the variables

3(3r+1)-(3r-27)=0

We multiply parentheses

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

We get rid of parentheses

9r-3r+27+3=0

We add all the numbers together, and all the variables

6r+30=0

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

6r=-30

r=-30/6

r=-5

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