Answer:
remember that [tex]|x|=x[/tex] if [tex]x\geq0[/tex] and [tex]|x|=-x \; \text{ if } x\leq 0[/tex]. This means that [tex]|x|[/tex] always is a positive number.
Then, there are no numbers such that [tex]|x|=-3[/tex] because -3 is a negative number.
