-3-4=3(1-9r)

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Solution for -3-4=3(1-9r) equation: 



-3-4=3(1-9r)

We move all terms to the left:

-3-4-(3(1-9r))=0

We add all the numbers together, and all the variables

-(3(-9r+1))-3-4=0

We add all the numbers together, and all the variables

-(3(-9r+1))-7=0



We calculate terms in parentheses: -(3(-9r+1)), so:

3(-9r+1)

We multiply parentheses

-27r+3

Back to the equation:

-(-27r+3)



We get rid of parentheses

27r-3-7=0

We add all the numbers together, and all the variables

27r-10=0

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

27r=10

r=10/27

r=10/27

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