book Maths Puzzle Numerical Ability

How do you graph |x|<3 on a number line?

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book Other Question

find the values of the following polynomials for the given values of the variable.

-x^2 - 5x - 6

when x = -3 I am trying to help my son with his algebra homework but never really understood it myself. Can you please explain how you solve negative and fraction problems. One such problem is x/-4 + 5 =1

thanks!