-13=r/2-5

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Solution for -13=r/2-5 equation: 



-13=r/2-5

We move all terms to the left:

-13-(r/2-5)=0

We get rid of parentheses

-r/2+5-13=0

We multiply all the terms by the denominator


-r+5*2-13*2=0

We add all the numbers together, and all the variables

-1r-16=0

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

-r=16

r=16/-1

r=-16

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