2+(-6) is blank unit(s) from -2 in the negative direction

-2+(-6) is 6 units from -2 in the negative direction

Moving in the negative direction means that the a negative number is added  (or simply subtracted)

When you move in the negative direction in a number line, the numbers are getting smaller

The starting point in -2+(-6) is -2. Then -6 is added from -2 (or -2 subtracted 6)

So -2 is moved in the negative direction 6 units.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.