19a-12-4a=-54

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Solution for 19a-12-4a=-54 equation: 



19a-12-4a=-54

We move all terms to the left:

19a-12-4a-(-54)=0

We add all the numbers together, and all the variables

15a+42=0

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

15a=-42

a=-42/15

a=-2+4/5

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