-1=2-x

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Solution for -1=2-x equation:



-1=2-x
We move all terms to the left:
-1-(2-x)=0
We add all the numbers together, and all the variables
-(-1x+2)-1=0
We get rid of parentheses
1x-2-1=0
We add all the numbers together, and all the variables
x-3=0
We move all terms containing x to the left, all other terms to the right
x=3

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