-x+1=-21+x

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Solution for -x+1=-21+x equation: 



-x+1=-21+x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1x-x+21+1=0

We add all the numbers together, and all the variables

-2x+22=0

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

-2x=-22

x=-22/-2

x=+11

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