2x-8=21-8x

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



2x-8=21-8x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2x+8x-21-8=0

We add all the numbers together, and all the variables

10x-29=0

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

10x=29

x=29/10

x=2+9/10

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