The number -6 is plotted on the number line below.

Answer: Question A is -6 + (-2) since it's two units to the left and question B is -6 + 2 since it's two units to the right.
Step-by-step explanation:
One unit means you move once and two units means you move twice.
Also, if a number is in parentheses, distributing the negative sign will change the subtraction to addition.
Step-by-step explanation:
a. 2 units to the left of -6 is -6 + -2
b. 2 units to the right of -6 is -6 + 2