19=-4+2(a-2)

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



19=-4+2(a-2)

We move all terms to the left:

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



We calculate terms in parentheses: -(-4+2(a-2)), so:

-4+2(a-2)

determiningTheFunctionDomain
2(a-2)-4

We multiply parentheses

2a-4-4

We add all the numbers together, and all the variables

2a-8

Back to the equation:

-(2a-8)



We get rid of parentheses

-2a+8+19=0

We add all the numbers together, and all the variables

-2a+27=0

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

-2a=-27

a=-27/-2

a=13+1/2

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