3=-(r-17)

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Solution for 3=-(r-17) equation: 



3=-(r-17)

We move all terms to the left:

3-(-(r-17))=0



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

-(r-17)

We get rid of parentheses

-r+17

We add all the numbers together, and all the variables

-1r+17

Back to the equation:

-(-1r+17)



We get rid of parentheses

1r-17+3=0

We add all the numbers together, and all the variables

r-14=0

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

r=14

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