1+x=3+1

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Solution for 1+x=3+1 equation: 



1+x=3+1

We move all terms to the left:

1+x-(3+1)=0

We add all the numbers together, and all the variables

x+1-4=0

We add all the numbers together, and all the variables

x-3=0

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

x=3

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