x-42.9=42.9

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Solution for x-42.9=42.9 equation: 



x-42.9=42.9

We move all terms to the left:

x-42.9-(42.9)=0

We add all the numbers together, and all the variables

x-85.8=0

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

x=85.8

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