2a+1=3.

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Solution for 2a+1=3. equation: 



2a+1=3.

We move all terms to the left:

2a+1-(3.)=0

We add all the numbers together, and all the variables

2a+1-3=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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