19-3a=-7(3a+5)

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Solution for 19-3a=-7(3a+5) equation: 



19-3a=-7(3a+5)

We move all terms to the left:

19-3a-(-7(3a+5))=0



We calculate terms in parentheses: -(-7(3a+5)), so:

-7(3a+5)

We multiply parentheses

-21a-35

Back to the equation:

-(-21a-35)



We get rid of parentheses

-3a+21a+35+19=0

We add all the numbers together, and all the variables

18a+54=0

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

18a=-54

a=-54/18

a=-3

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