How do you solve |x - 2| = 1?

1 Answer
Dec 21, 2016

The solution is x = 3 or x=1

Explanation:

To clear the absolute-value bars, I must split the equation into its two possible two cases, one case for each sign:

(x-2) = 1" " or " "-(x-2) = 1

x = 1+2" " or " " -x+2 = 1

x = 3" " " " or " " " " x=2-1=1

Then the solutions are x = 3 or x= 1