Question

What is the solution set or set notation for |7x+21|<-7

Answer 1

hint: solve for x in

7x + 21 < -7

AND

7x + 21 > 7

does that help?

Answer 2

Wait, what? An absolute value inequality doesn't have a negative on its right-hand-side!

Answer 3

This is a false statement, and does not satisfy for all \(x\).

Answer 4

How can an absolute value be less than -7 when absolute value of anything is a positive number?

Answer 5

Do u know the defination of modulas?

Answer 6

IF not then PLZ LOOK AT THIS:
let x be any real number. Then the absolute value of x, denoted by IxI, is a non negative real number defined by