4+2x=31

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Solution for 4+2x=31 equation: 



4+2x=31

We move all terms to the left:

4+2x-(31)=0

We add all the numbers together, and all the variables

2x-27=0

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

2x=27

x=27/2

x=13+1/2

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