r+2.15=-5.45

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Solution for r+2.15=-5.45 equation: 



r+2.15=-5.45

We move all terms to the left:

r+2.15-(-5.45)=0

We add all the numbers together, and all the variables

r+7.6=0

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

r=-7.6

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