x/7+3=21

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Solution for x/7+3=21 equation: 



x/7+3=21

We move all terms to the left:

x/7+3-(21)=0

We add all the numbers together, and all the variables

x/7-18=0

We multiply all the terms by the denominator


x-18*7=0

We add all the numbers together, and all the variables

x-126=0

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

x=126

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