-2+8a=-66

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Solution for -2+8a=-66 equation: 



-2+8a=-66

We move all terms to the left:

-2+8a-(-66)=0

We add all the numbers together, and all the variables

8a+64=0

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

8a=-64

a=-64/8

a=-8

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