2=1a+3

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Solution for 2=1a+3 equation: 



2=1a+3

We move all terms to the left:

2-(1a+3)=0

We add all the numbers together, and all the variables

-(a+3)+2=0

We get rid of parentheses

-a-3+2=0

We add all the numbers together, and all the variables

-1a-1=0

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

-a=1

a=1/-1

a=-1

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