silverdragon316
Junior Member
- Joined
- Mar 16, 2007
- Messages
- 76
I have to solve this problem:
. . .|-2x - 1| > 7
This is what I came up with:
. . .-2x - 1 > 7. . .or. . .-2x - 1 < -7
. . .-2x > 8. . .or. . .-2x < -6
. . .x > -4. . .or. . .x < 3
. . .{x | x > -4. . .or. . .x < 3}
...or (-4, 3)
Is this correct? If not what am I doing wrong please. Thank you.
. . .|-2x - 1| > 7
This is what I came up with:
. . .-2x - 1 > 7. . .or. . .-2x - 1 < -7
. . .-2x > 8. . .or. . .-2x < -6
. . .x > -4. . .or. . .x < 3
. . .{x | x > -4. . .or. . .x < 3}
...or (-4, 3)
Is this correct? If not what am I doing wrong please. Thank you.