-x+21=-2x+29

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Solution for -x+21=-2x+29 equation: 



-x+21=-2x+29

We move all terms to the left:

-x+21-(-2x+29)=0

We add all the numbers together, and all the variables

-1x-(-2x+29)+21=0

We get rid of parentheses

-1x+2x-29+21=0

We add all the numbers together, and all the variables

x-8=0

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

x=8

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