3x+0.9=3.9

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Solution for 3x+0.9=3.9 equation: 



3x+0.9=3.9

We move all terms to the left:

3x+0.9-(3.9)=0

We add all the numbers together, and all the variables

3x-3=0

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

3x=3

x=3/3

x=1

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