19a-3a=84

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Solution for 19a-3a=84 equation: 



19a-3a=84

We move all terms to the left:

19a-3a-(84)=0

We add all the numbers together, and all the variables

16a-84=0

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

16a=84

a=84/16

a=5+1/4

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