Question

Solve |x| + 7 < 4.


{x | x < -11 or x > -3}
{x | -3 < x < 3}
Ø

Answer 1

First you have to get the |x| alone... so subtract 7 from both sides

Answer 2

add -7 to both side & you will get x !

Answer 3

okay den what u do

Answer 4

Well what do you have now?

And remember that an absolute value must always be positive, can't be negative (ie it can't be less than zero)

Answer 5

i think its the 1st one am i right ir am i wrong

Answer 6

wrong, listen to @agent0smith

Answer 7

if you subtract 7 from both sides what do you have?

Answer 8

|x|<-3 has NO solutions -3<0<=|x|

Answer 9

so -3<|x| for all x
and thus there is no solution

Answer 10

Oh my god.... @zzr0ck3r is correct. The absolute value makes anything positive, and as a result will NEVER be less than -3

Good catch, apologies if I have lead you astray @bigeyes420

Answer 11

"makes any thing positive or 0"

Answer 12

"makes anything non-negative" :P

Answer 13

:)

Answer 14

+1 for you good sir, +1 for you.

And to clarify, I made the error of treating this as a equality, which you CAN indeed do many times with inequalities. However, just not in this instance!

Answer 15

yeah, I've made that mistake countless times:)

Answer 16

Now that we have discovered the meaning of life on this question, the asker has closed it and likely run away with an incorrect answer.... joyous....

Answer 17

lol

Answer 18

Off to greener pastures amigos, adios!