-12-7r=8-9(3-6r)

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Solution for -12-7r=8-9(3-6r) equation: 



-12-7r=8-9(3-6r)

We move all terms to the left:

-12-7r-(8-9(3-6r))=0

We add all the numbers together, and all the variables

-7r-(8-9(-6r+3))-12=0



We calculate terms in parentheses: -(8-9(-6r+3)), so:

8-9(-6r+3)

determiningTheFunctionDomain
-9(-6r+3)+8

We multiply parentheses

54r-27+8

We add all the numbers together, and all the variables

54r-19

Back to the equation:

-(54r-19)



We get rid of parentheses

-7r-54r+19-12=0

We add all the numbers together, and all the variables

-61r+7=0

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

-61r=-7

r=-7/-61

r=7/61

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