(r=-1)12r-3

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Solution for (r=-1)12r-3 equation: 



(r=-1)12r-3

We move all terms to the left:

(r-(-1)12r-3)=0



We calculate terms in parentheses: +(r-(-1)12r-3), so:

r-(-1)12r-3

We multiply parentheses

r+12r-3

We add all the numbers together, and all the variables

13r-3

Back to the equation:

+(13r-3)



We get rid of parentheses

13r-3=0

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

13r=3

r=3/13

r=3/13

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