-8.9+x=12.2

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Solution for -8.9+x=12.2 equation: 



-8.9+x=12.2

We move all terms to the left:

-8.9+x-(12.2)=0

We add all the numbers together, and all the variables

x-21.1=0

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

x=21.1

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