r+r+r=1.25

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Solution for r+r+r=1.25 equation: 



r+r+r=1.25

We move all terms to the left:

r+r+r-(1.25)=0

We add all the numbers together, and all the variables

3r-1.25=0

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

3r=1.25

r=1.25/3

r=1/2.4

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