4x-2+x-4=21-4x

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



4x-2+x-4=21-4x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

5x-(-4x+21)-6=0

We get rid of parentheses

5x+4x-21-6=0

We add all the numbers together, and all the variables

9x-27=0

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

9x=27

x=27/9

x=3

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