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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