r+2.14=7.80

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Solution for r+2.14=7.80 equation: 



r+2.14=7.80

We move all terms to the left:

r+2.14-(7.80)=0

We add all the numbers together, and all the variables

r+2.14-(7.8)=0

We add all the numbers together, and all the variables

r-5.66=0

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

r=5.66

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