-1+1/2a=9

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Solution for -1+1/2a=9 equation: 



-1+1/2a=9

We move all terms to the left:

-1+1/2a-(9)=0



Domain of the equation: 2a!=0

a!=0/2

a!=0

a∈R



We add all the numbers together, and all the variables

1/2a-10=0

We multiply all the terms by the denominator


-10*2a+1=0

Wy multiply elements

-20a+1=0

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

-20a=-1

a=-1/-20

a=1/20

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