3.1x=4.2

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Solution for 3.1x=4.2 equation: 



3.1x=4.2

We move all terms to the left:

3.1x-(4.2)=0

We add all the numbers together, and all the variables

3.1x-4.2=0

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

3.1x=4.2

x=4.2/3.1

x=1+1/2.8181818181818

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