2=a-(-19)

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Solution for 2=a-(-19) equation: 



2=a-(-19)

We move all terms to the left:

2-(a-(-19))=0



We calculate terms in parentheses: -(a-(-19)), so:

a-(-19)

We add all the numbers together, and all the variables

a+19

Back to the equation:

-(a+19)



We get rid of parentheses

-a-19+2=0

We add all the numbers together, and all the variables

-1a-17=0

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

-a=17

a=17/-1

a=-17

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