3a+1=a+3

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Solution for 3a+1=a+3 equation: 



3a+1=a+3

We move all terms to the left:

3a+1-(a+3)=0

We get rid of parentheses

3a-a-3+1=0

We add all the numbers together, and all the variables

2a-2=0

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

2a=2

a=2/2

a=1

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