3.5+x-7=0.4

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Solution for 3.5+x-7=0.4 equation: 



3.5+x-7=0.4

We move all terms to the left:

3.5+x-7-(0.4)=0

We add all the numbers together, and all the variables

x-3.9=0

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

x=3.9

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