r-17.9=-2.4

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Solution for r-17.9=-2.4 equation: 



r-17.9=-2.4

We move all terms to the left:

r-17.9-(-2.4)=0

We add all the numbers together, and all the variables

r-15.5=0

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

r=15.5

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