0.4+x=21.3

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Solution for 0.4+x=21.3 equation: 



0.4+x=21.3

We move all terms to the left:

0.4+x-(21.3)=0

We add all the numbers together, and all the variables

x-20.9=0

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

x=20.9

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