21x-2=4+20x

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Solution for 21x-2=4+20x equation: 



21x-2=4+20x

We move all terms to the left:

21x-2-(4+20x)=0

We add all the numbers together, and all the variables

21x-(20x+4)-2=0

We get rid of parentheses

21x-20x-4-2=0

We add all the numbers together, and all the variables

x-6=0

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

x=6

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