21x-11+239+90=720

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Solution for 21x-11+239+90=720 equation: 



21x-11+239+90=720

We move all terms to the left:

21x-11+239+90-(720)=0

We add all the numbers together, and all the variables

21x-402=0

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

21x=402

x=402/21

x=19+1/7

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