20=14-(-r)

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Solution for 20=14-(-r) equation: 



20=14-(-r)

We move all terms to the left:

20-(14-(-r))=0

We add all the numbers together, and all the variables

-(14-(-1r))+20=0



We calculate terms in parentheses: -(14-(-1r)), so:

14-(-1r)

determiningTheFunctionDomain
-(-1r)+14

We get rid of parentheses

1r+14

We add all the numbers together, and all the variables

r+14

Back to the equation:

-(r+14)



We get rid of parentheses

-r-14+20=0

We add all the numbers together, and all the variables

-1r+6=0

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

-r=-6

r=-6/-1

r=+6

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