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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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



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

4(3r+1)

We multiply parentheses

12r+4

Back to the equation:

-(12r+4)



We get rid of parentheses

-1r-12r-4+4=0

We add all the numbers together, and all the variables

-13r=0

r=0/-13

r=0

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