-17.5=2.5r-9.5r

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Solution for -17.5=2.5r-9.5r equation: 



-17.5=2.5r-9.5r

We move all terms to the left:

-17.5-(2.5r-9.5r)=0

We add all the numbers together, and all the variables

-(-7r)-17.5=0

We get rid of parentheses

7r-17.5=0

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

7r=17.5

r=17.5/7

r=2+2.3333333333333/4.6666666666667

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