3.1x=12.4

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Solution for 3.1x=12.4 equation: 



3.1x=12.4

We move all terms to the left:

3.1x-(12.4)=0

We add all the numbers together, and all the variables

3.1x-12.4=0

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

3.1x=12.4

x=12.4/3.1

x=4

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