r+0.7=2.12

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Solution for r+0.7=2.12 equation: 



r+0.7=2.12

We move all terms to the left:

r+0.7-(2.12)=0

We add all the numbers together, and all the variables

r-1.42=0

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

r=1.42

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