3x+6=21x+4

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Solution for 3x+6=21x+4 equation: 



3x+6=21x+4

We move all terms to the left:

3x+6-(21x+4)=0

We get rid of parentheses

3x-21x-4+6=0

We add all the numbers together, and all the variables

-18x+2=0

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

-18x=-2

x=-2/-18

x=1/9

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