2x+x+3.1=10.2

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Solution for 2x+x+3.1=10.2 equation: 



2x+x+3.1=10.2

We move all terms to the left:

2x+x+3.1-(10.2)=0

We add all the numbers together, and all the variables

3x-7.1=0

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

3x=7.1

x=7.1/3

x=2+1/2.72727272727

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