When you use the brackets [ ]'s, what do you mean by that? If you meant to use the absolute value signs, then it should be solveable. Otherwise, no numbers would actually work since if x < 0, so would x - 3.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.