3+4x+20=31

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Solution for 3+4x+20=31 equation: 



3+4x+20=31

We move all terms to the left:

3+4x+20-(31)=0

We add all the numbers together, and all the variables

4x-8=0

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

4x=8

x=8/4

x=2

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