-23=-2a-1+a

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Solution for -23=-2a-1+a equation: 



-23=-2a-1+a

We move all terms to the left:

-23-(-2a-1+a)=0

We add all the numbers together, and all the variables

-(-1a-1)-23=0

We get rid of parentheses

1a+1-23=0

We add all the numbers together, and all the variables

a-22=0

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

a=22

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