15+3x=31

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Solution for 15+3x=31 equation: 



15+3x=31

We move all terms to the left:

15+3x-(31)=0

We add all the numbers together, and all the variables

3x-16=0

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

3x=16

x=16/3

x=5+1/3

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