21x=7x+2

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Solution for 21x=7x+2 equation: 



21x=7x+2

We move all terms to the left:

21x-(7x+2)=0

We get rid of parentheses

21x-7x-2=0

We add all the numbers together, and all the variables

14x-2=0

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

14x=2

x=2/14

x=1/7

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