-a-3=-(a+1)-2

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Solution for -a-3=-(a+1)-2 equation: 



-a-3=-(a+1)-2

We move all terms to the left:

-a-3-(-(a+1)-2)=0

We add all the numbers together, and all the variables

-1a-(-(a+1)-2)-3=0



We calculate terms in parentheses: -(-(a+1)-2), so:

-(a+1)-2

We get rid of parentheses

-a-1-2

We add all the numbers together, and all the variables

-1a-3

Back to the equation:

-(-1a-3)



We get rid of parentheses

-1a+1a+3-3=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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