-1=(-11+r/3)

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Solution for -1=(-11+r/3) equation: 



-1=(-11+r/3)

We move all terms to the left:

-1-((-11+r/3))=0

We add all the numbers together, and all the variables

-((r/3-11))-1=0

We multiply all the terms by the denominator


-((r-1*3-11))=0



We calculate terms in parentheses: -((r-1*3-11)), so:

(r-1*3-11)

We add all the numbers together, and all the variables

(r-14)

We get rid of parentheses

r-14

Back to the equation:

-(r-14)



We get rid of parentheses

-r+14=0

We add all the numbers together, and all the variables

-1r+14=0

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

-r=-14

r=-14/-1

r=+14

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