7x/9+3=21

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Solution for 7x/9+3=21 equation: 



7x/9+3=21

We move all terms to the left:

7x/9+3-(21)=0

We add all the numbers together, and all the variables

7x/9-18=0

We multiply all the terms by the denominator


7x-18*9=0

We add all the numbers together, and all the variables

7x-162=0

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

7x=162

x=162/7

x=23+1/7

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