6(r+12)=7r

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Solution for 6(r+12)=7r equation: 



6(r+12)=7r

We move all terms to the left:

6(r+12)-(7r)=0

We add all the numbers together, and all the variables

-7r+6(r+12)=0

We multiply parentheses

-7r+6r+72=0

We add all the numbers together, and all the variables

-1r+72=0

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

-r=-72

r=-72/-1

r=+72

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