2(a-2)-1=-15

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Solution for 2(a-2)-1=-15 equation: 



2(a-2)-1=-15

We move all terms to the left:

2(a-2)-1-(-15)=0

We add all the numbers together, and all the variables

2(a-2)+14=0

We multiply parentheses

2a-4+14=0

We add all the numbers together, and all the variables

2a+10=0

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

2a=-10

a=-10/2

a=-5

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