9x+12x-21=27

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Solution for 9x+12x-21=27 equation: 



9x+12x-21=27

We move all terms to the left:

9x+12x-21-(27)=0

We add all the numbers together, and all the variables

21x-48=0

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

21x=48

x=48/21

x=2+2/7

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