21x-13-12x=3

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Solution for 21x-13-12x=3 equation: 



21x-13-12x=3

We move all terms to the left:

21x-13-12x-(3)=0

We add all the numbers together, and all the variables

9x-16=0

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

9x=16

x=16/9

x=1+7/9

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