21x=7x+6

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Solution for 21x=7x+6 equation: 



21x=7x+6

We move all terms to the left:

21x-(7x+6)=0

We get rid of parentheses

21x-7x-6=0

We add all the numbers together, and all the variables

14x-6=0

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

14x=6

x=6/14

x=3/7

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