1-2/a=-1

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



1-2/a=-1

We move all terms to the left:

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



Domain of the equation: a!=0

a∈R



We add all the numbers together, and all the variables

-2/a+2=0

We multiply all the terms by the denominator


2*a-2=0

We add all the numbers together, and all the variables

2a-2=0

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

2a=2

a=2/2

a=1

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