9x-21/2=3x

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Solution for 9x-21/2=3x equation: 



9x-21/2=3x

We move all terms to the left:

9x-21/2-(3x)=0

We add all the numbers together, and all the variables

6x-21/2=0

We multiply all the terms by the denominator


6x*2-21=0

Wy multiply elements

12x-21=0

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

12x=21

x=21/12

x=1+3/4

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