x+3.4=8.21

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Solution for x+3.4=8.21 equation: 



x+3.4=8.21

We move all terms to the left:

x+3.4-(8.21)=0

We add all the numbers together, and all the variables

x-4.81=0

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

x=4.81

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