-3.5=r-8.3

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Solution for -3.5=r-8.3 equation: 



-3.5=r-8.3

We move all terms to the left:

-3.5-(r-8.3)=0

We get rid of parentheses

-r+8.3-3.5=0

We add all the numbers together, and all the variables

-1r+4.8=0

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

-r=-4.8

r=-4.8/-1

r=4+0.8/1

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