9+1/2x=21

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Solution for 9+1/2x=21 equation: 



9+1/2x=21

We move all terms to the left:

9+1/2x-(21)=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-12=0

We multiply all the terms by the denominator


-12*2x+1=0

Wy multiply elements

-24x+1=0

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

-24x=-1

x=-1/-24

x=1/24

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