-1/2x-9=11

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Solution for -1/2x-9=11 equation: 



-1/2x-9=11

We move all terms to the left:

-1/2x-9-(11)=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We add all the numbers together, and all the variables

-1/2x-20=0

We multiply all the terms by the denominator


-20*2x-1=0

Wy multiply elements

-40x-1=0

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

-40x=1

x=1/-40

x=-1/40

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