23=5+a

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Solution for 23=5+a equation: 



23=5+a

We move all terms to the left:

23-(5+a)=0

We add all the numbers together, and all the variables

-(a+5)+23=0

We get rid of parentheses

-a-5+23=0

We add all the numbers together, and all the variables

-1a+18=0

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

-a=-18

a=-18/-1

a=+18

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