7x-2=21=x+3

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Solution for 7x-2=21=x+3 equation: 



7x-2=21=x+3

We move all terms to the left:

7x-2-(21)=0

We add all the numbers together, and all the variables

7x-23=0

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

7x=23

x=23/7

x=3+2/7

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