Answer:
Integers number line.
Step-by-step explanation:
There are various types of number lines. Some of them are real number, integers, whole number, rational numbers and many more.
But to solve the above problem, the best is the integers number line.
Now, we know that negative negative gives a positive. So, the given expression can be written as:
[tex]-2-(-4)\\= -2 + 4\\=2[/tex]
On, number line, we first spot -2. Now we have to add 4 to this. So, we move 4 units towards right from -2 to reach +2.
Hence, the answer to the given expression is +2.
