23=2+3a

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Solution for 23=2+3a equation: 



23=2+3a

We move all terms to the left:

23-(2+3a)=0

We add all the numbers together, and all the variables

-(3a+2)+23=0

We get rid of parentheses

-3a-2+23=0

We add all the numbers together, and all the variables

-3a+21=0

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

-3a=-21

a=-21/-3

a=+7

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