9/21x=9

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Solution for 9/21x=9 equation: 



9/21x=9

We move all terms to the left:

9/21x-(9)=0



Domain of the equation: 21x!=0

x!=0/21

x!=0

x∈R



We multiply all the terms by the denominator


-9*21x+9=0

Wy multiply elements

-189x+9=0

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

-189x=-9

x=-9/-189

x=1/21

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