2/11u-9=12

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Solution for 2/11u-9=12 equation: 



2/11u-9=12

We move all terms to the left:

2/11u-9-(12)=0



Domain of the equation: 11u!=0

u!=0/11

u!=0

u∈R



We add all the numbers together, and all the variables

2/11u-21=0

We multiply all the terms by the denominator


-21*11u+2=0

Wy multiply elements

-231u+2=0

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

-231u=-2

u=-2/-231

u=2/231

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