r+3.4=7.9

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Solution for r+3.4=7.9 equation: 



r+3.4=7.9

We move all terms to the left:

r+3.4-(7.9)=0

We add all the numbers together, and all the variables

r-4.5=0

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

r=4.5

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