x< 3 simply means that the value of x is anything less than 3.
That is x = 2, 1, 0,-1, ...
[tex]\begin{gathered} x\leq\text{ 3 simply means that the value of x is anything less than 3; } \\ with\text{ 3 inclusive} \end{gathered}[/tex]That is x = 3, 2, 1, 0, -1, ...
x = 3 simply means the value of x is 3 only ( just a single value)
Hen