Question

|2x + 4| < 12 Help_

Answer 1

hint:

if

|2x + 4| < 12

then

-12 < 2x + 4 < 12

Answer 2

I'm using the rule

if |x| < k, then -k < x < k

where k is some positive number

Answer 3

Still no idea

Answer 4

now you have to move that 4 over, so you have to subtract 4 from all sides.

Answer 5

which gives you what?

Answer 6

-12 < 2x + 4 < 12
-16 < 2x < 8

Answer 7

-8<x<4