-13=r/2+(-16)

Solution for -13=r/2+(-16) equation:

-13=r/2+(-16)

We move all terms to the left:

-13-(r/2+(-16))=0

We multiply all the terms by the denominator


-(r-13*2+(-16))=0


We calculate terms in parentheses: -(r-13*2+(-16)), so:

r-13*2+(-16)

We add all the numbers together, and all the variables

r-42

Back to the equation:

-(r-42)


We get rid of parentheses

-r+42=0

We add all the numbers together, and all the variables

-1r+42=0

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

-r=-42

r=-42/-1

r=+42