How do you solve the inequality |2x|43 and write your answer in interval notation?

1 Answer
Apr 14, 2017

(,1]u[3,)

Explanation:

Solve the inequality first, leaving the abs value alone in one side of the equation and then x(1+2) and then as we are moving the 1 to the other side of the equation we have to change the inequality sign to , leaving x(21)

|2x|43|2x|1x3,x1

As interval notation,

(,1]u[3,)