19=a-(-3)

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Solution for 19=a-(-3) equation: 



19=a-(-3)

We move all terms to the left:

19-(a-(-3))=0



We calculate terms in parentheses: -(a-(-3)), so:

a-(-3)

We add all the numbers together, and all the variables

a+3

Back to the equation:

-(a+3)



We get rid of parentheses

-a-3+19=0

We add all the numbers together, and all the variables

-1a+16=0

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

-a=-16

a=-16/-1

a=+16

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