-1/2a=18

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Solution for -1/2a=18 equation: 



-1/2a=18

We move all terms to the left:

-1/2a-(18)=0



Domain of the equation: 2a!=0

a!=0/2

a!=0

a∈R



We multiply all the terms by the denominator


-18*2a-1=0

Wy multiply elements

-36a-1=0

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

-36a=1

a=1/-36

a=-1/36

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