1=(-11+r)/15

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Solution for 1=(-11+r)/15 equation: 



1=(-11+r)/15

We move all terms to the left:

1-((-11+r)/15)=0

We add all the numbers together, and all the variables

-((r-11)/15)+1=0

We multiply all the terms by the denominator


-((r-11)+1*15)=0



We calculate terms in parentheses: -((r-11)+1*15), so:

(r-11)+1*15

We add all the numbers together, and all the variables

(r-11)+15

We get rid of parentheses

r-11+15

We add all the numbers together, and all the variables

r+4

Back to the equation:

-(r+4)



We get rid of parentheses

-r-4=0

We add all the numbers together, and all the variables

-1r-4=0

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

-r=4

r=4/-1

r=-4

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