Question

Tìm x:

a, |x| <3

b, |x|>5

Answer 1

a) \(\left|x\right|< 3\\ \Rightarrow\left|x\right|=\left\{0;1;2\right\}\\ \Rightarrow x=\left\{-2;-1;0;1;2\right\}\)

 

Answer 2

b)\(\left|x\right|>5\\ \Rightarrow\left|x\right|=\left\{6;7;8;9;...\right\}\\ \Rightarrow x=\left\{...-9;-8;-7;-6;6;7;8;9...\right\}\)

Answer 3