12-5r=6(-2+7r)

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Solution for 12-5r=6(-2+7r) equation: 



12-5r=6(-2+7r)

We move all terms to the left:

12-5r-(6(-2+7r))=0

We add all the numbers together, and all the variables

-5r-(6(7r-2))+12=0



We calculate terms in parentheses: -(6(7r-2)), so:

6(7r-2)

We multiply parentheses

42r-12

Back to the equation:

-(42r-12)



We get rid of parentheses

-5r-42r+12+12=0

We add all the numbers together, and all the variables

-47r+24=0

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

-47r=-24

r=-24/-47

r=24/47

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