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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