7.5=r-6.5

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Solution for 7.5=r-6.5 equation: 



7.5=r-6.5

We move all terms to the left:

7.5-(r-6.5)=0

We get rid of parentheses

-r+6.5+7.5=0

We add all the numbers together, and all the variables

-1r+14=0

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

-r=-14

r=-14/-1

r=+14

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