-25=-6.5r+9

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Solution for -25=-6.5r+9 equation: 



-25=-6.5r+9

We move all terms to the left:

-25-(-6.5r+9)=0

We get rid of parentheses

6.5r-9-25=0

We add all the numbers together, and all the variables

6.5r-34=0

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

6.5r=34

r=34/6.5

r=5+1/4.3333333333333

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