x/3-7=21

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Solution for x/3-7=21 equation: 



x/3-7=21

We move all terms to the left:

x/3-7-(21)=0

We add all the numbers together, and all the variables

x/3-28=0

We multiply all the terms by the denominator


x-28*3=0

We add all the numbers together, and all the variables

x-84=0

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

x=84

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