3(r+7)=6(r+2)

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Solution for 3(r+7)=6(r+2) equation: 



3(r+7)=6(r+2)

We move all terms to the left:

3(r+7)-(6(r+2))=0

We multiply parentheses

3r-(6(r+2))+21=0



We calculate terms in parentheses: -(6(r+2)), so:

6(r+2)

We multiply parentheses

6r+12

Back to the equation:

-(6r+12)



We get rid of parentheses

3r-6r-12+21=0

We add all the numbers together, and all the variables

-3r+9=0

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

-3r=-9

r=-9/-3

r=+3

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