-20=-1x-2

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Solution for -20=-1x-2 equation: 



-20=-1x-2

We move all terms to the left:

-20-(-1x-2)=0

We get rid of parentheses

1x+2-20=0

We add all the numbers together, and all the variables

x-18=0

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

x=18

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