2+8x=21x+4

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Solution for 2+8x=21x+4 equation: 



2+8x=21x+4

We move all terms to the left:

2+8x-(21x+4)=0

We get rid of parentheses

8x-21x-4+2=0

We add all the numbers together, and all the variables

-13x-2=0

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

-13x=2

x=2/-13

x=-2/13

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