3(r+6)=7r

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



3(r+6)=7r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-7r+3r+18=0

We add all the numbers together, and all the variables

-4r+18=0

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

-4r=-18

r=-18/-4

r=4+1/2

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