-1-2/7u=1

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Solution for -1-2/7u=1 equation: 



-1-2/7u=1

We move all terms to the left:

-1-2/7u-(1)=0



Domain of the equation: 7u!=0

u!=0/7

u!=0

u∈R



We add all the numbers together, and all the variables

-2/7u-2=0

We multiply all the terms by the denominator


-2*7u-2=0

Wy multiply elements

-14u-2=0

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

-14u=2

u=2/-14

u=-1/7

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