4x-21=8x+2

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



4x-21=8x+2

We move all terms to the left:

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

We get rid of parentheses

4x-8x-2-21=0

We add all the numbers together, and all the variables

-4x-23=0

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

-4x=23

x=23/-4

x=-5+3/4

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