7) What number is the opposite of - 17?

Answer: + 17

Step-by-step explanation: Here we are asked to determine the opposite of the following integer which is - 17.

Think of the opposite of an integer in terms of a number line. The opposite of an integer is the same distance from zero as the original integer, but on the opposite side of zero.

Since - 17 is 17 units to the left of zero, it's opposite will be 17 units to the right of zero. So the opposite of - 17 is + 17.

17

Step-by-step explanation:

the opposite of any negative number is the positive and vice versa