47=-4(r+3)+3(1+6r)

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Solution for 47=-4(r+3)+3(1+6r) equation: 



47=-4(r+3)+3(1+6r)

We move all terms to the left:

47-(-4(r+3)+3(1+6r))=0

We add all the numbers together, and all the variables

-(-4(r+3)+3(6r+1))+47=0



We calculate terms in parentheses: -(-4(r+3)+3(6r+1)), so:

-4(r+3)+3(6r+1)

We multiply parentheses

-4r+18r-12+3

We add all the numbers together, and all the variables

14r-9

Back to the equation:

-(14r-9)



We get rid of parentheses

-14r+9+47=0

We add all the numbers together, and all the variables

-14r+56=0

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

-14r=-56

r=-56/-14

r=+4

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