9+21x=744

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Solution for 9+21x=744 equation: 



9+21x=744

We move all terms to the left:

9+21x-(744)=0

We add all the numbers together, and all the variables

21x-735=0

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

21x=735

x=735/21

x=35

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