9/2x=21

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Solution for 9/2x=21 equation: 



9/2x=21

We move all terms to the left:

9/2x-(21)=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We multiply all the terms by the denominator


-21*2x+9=0

Wy multiply elements

-42x+9=0

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

-42x=-9

x=-9/-42

x=3/14

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