2a-2=-1

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Solution for 2a-2=-1 equation: 



2a-2=-1

We move all terms to the left:

2a-2-(-1)=0

We add all the numbers together, and all the variables

2a-1=0

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

2a=1

a=1/2

a=1/2

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