8a-4=16

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Solution for 8a-4=16 equation: 



8a-4=16

We move all terms to the left:

8a-4-(16)=0

We add all the numbers together, and all the variables

8a-20=0

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

8a=20

a=20/8

a=2+1/2

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