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

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Solution for (1-a)-(-1+a)=0 equation: 



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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1a-a+1+1=0

We add all the numbers together, and all the variables

-2a+2=0

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

-2a=-2

a=-2/-2

a=1

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