2a-2-1=2

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Solution for 2a-2-1=2 equation: 



2a-2-1=2

We move all terms to the left:

2a-2-1-(2)=0

We add all the numbers together, and all the variables

2a-5=0

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

2a=5

a=5/2

a=2+1/2

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