(a+1)=3

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Solution for (a+1)=3 equation: 



(a+1)=3

We move all terms to the left:

(a+1)-(3)=0

We get rid of parentheses

a+1-3=0

We add all the numbers together, and all the variables

a-2=0

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

a=2

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