1/2a-12=-2(a-9)

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Solution for 1/2a-12=-2(a-9) equation: 



1/2a-12=-2(a-9)

We move all terms to the left:

1/2a-12-(-2(a-9))=0



Domain of the equation: 2a!=0

a!=0/2

a!=0

a∈R



We multiply all the terms by the denominator


-((-2(a-9)))*2a-12*2a+1=0

Wy multiply elements

-((-2(a-9)))*2a-24a+1=0

We add all the numbers together, and all the variables

-24a-((-2(a-9)))*2a+1=0

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

-24a-((-2(a-9)))*2a=-1

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