-19=-8(-4+8)-(2a+1)

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Solution for -19=-8(-4+8)-(2a+1) equation: 



-19=-8(-4+8)-(2a+1)

We move all terms to the left:

-19-(-8(-4+8)-(2a+1))=0

We add all the numbers together, and all the variables

-(-84-(2a+1))-19=0



We calculate terms in parentheses: -(-84-(2a+1)), so:

-84-(2a+1)

determiningTheFunctionDomain
-(2a+1)-84

We get rid of parentheses

-2a-1-84

We add all the numbers together, and all the variables

-2a-85

Back to the equation:

-(-2a-85)



We get rid of parentheses

2a+85-19=0

We add all the numbers together, and all the variables

2a+66=0

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

2a=-66

a=-66/2

a=-33

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