3+3(2+3r)=6r+30

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Solution for 3+3(2+3r)=6r+30 equation: 



3+3(2+3r)=6r+30

We move all terms to the left:

3+3(2+3r)-(6r+30)=0

We add all the numbers together, and all the variables

3(3r+2)-(6r+30)+3=0

We multiply parentheses

9r-(6r+30)+6+3=0

We get rid of parentheses

9r-6r-30+6+3=0

We add all the numbers together, and all the variables

3r-21=0

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

3r=21

r=21/3

r=7

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