x-21/7=3

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Solution for x-21/7=3 equation: 



x-21/7=3

We move all terms to the left:

x-21/7-(3)=0

determiningTheFunctionDomain
x-3-21/7=0

We add all the numbers together, and all the variables

x-6=0

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

x=6

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