4=r-(-17)

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Solution for 4=r-(-17) equation: 



4=r-(-17)

We move all terms to the left:

4-(r-(-17))=0



We calculate terms in parentheses: -(r-(-17)), so:

r-(-17)

We add all the numbers together, and all the variables

r+17

Back to the equation:

-(r+17)



We get rid of parentheses

-r-17+4=0

We add all the numbers together, and all the variables

-1r-13=0

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

-r=13

r=13/-1

r=-13

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