1

Problem

Subtraction of integers:
(-10) - (-15).

2

Step

The two integers are

\$ - 10, - 15 \$

3

Step

Subtraction problem turns into an addition problem

\$ (- 10) + 15\ \$

4

Formula

Here, we apply the rule of addition of negative and positive integers:

\$ (+) + (-) = "use the sign of larger absolute value number" \$.

5

Step

Let us subract both the integers

\$ - 10 + 15 \$

6

Step

After subraction we get

\$ 5 \$

7

Solution

Therefore, the subtraction of integers is 5.

8

Sumup

Please Summarize Problem, Hint, Clue, Formula and Steps

Choices

9

Choice-A

Subtracting -15 is equivalent to adding 15. Therefore, this option is not correct

Wrong -25

10

Choice-B

This is not the correct option either because (-10) + 15 equals 5, not -5

Wrong -5

11

Choice-C

This is not the correct choice. We’re performing subtraction, not finding the absolute difference. (-10) + 15 equals 5, not 25

Wrong 25

12

Choice-D

This option is correct. As mentioned earlier, (-10) - (-15) becomes (-10) + 15, which equals 5

Correct 5

13

Answer

Option

D

14

Sumup

Please Summarize Choices