-8=5.5-r

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Solution for -8=5.5-r equation: 



-8=5.5-r

We move all terms to the left:

-8-(5.5-r)=0

We add all the numbers together, and all the variables

-(-1r+5.5)-8=0

We get rid of parentheses

1r-5.5-8=0

We add all the numbers together, and all the variables

r-13.5=0

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

r=13.5

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