a-7-2a=-8

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Solution for a-7-2a=-8 equation: 



a-7-2a=-8

We move all terms to the left:

a-7-2a-(-8)=0

We add all the numbers together, and all the variables

-1a+1=0

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

-a=-1

a=-1/-1

a=1

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