x/3-9/3=21

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Solution for x/3-9/3=21 equation: 



x/3-9/3=21

We move all terms to the left:

x/3-9/3-(21)=0

determiningTheFunctionDomain
x/3-21-9/3=0

We add all the numbers together, and all the variables

x/3-24=0

We multiply all the terms by the denominator


x-24*3=0

We add all the numbers together, and all the variables

x-72=0

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

x=72

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