3.9x=12.9

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Solution for 3.9x=12.9 equation: 



3.9x=12.9

We move all terms to the left:

3.9x-(12.9)=0

We add all the numbers together, and all the variables

3.9x-12.9=0

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

3.9x=12.9

x=12.9/3.9

x=3+1/3.25

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