a+(-a)=-a+a

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Solution for a+(-a)=-a+a equation: 



a+(-a)=-a+a

We move all terms to the left:

a+(-a)-(-a+a)=0

We add all the numbers together, and all the variables

a+(-1a)-0=0

We add all the numbers together, and all the variables

a+(-1a)=0

We get rid of parentheses

a-1a=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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