1.
-14 + 14
Correct Answer
B. 0
Explanation
The given expression is -14 + 14. When we add -14 and 14 together, we get 0. Therefore, the correct answer is 0.
2.
-20 + 0
Correct Answer
C. -20
Explanation
The given expression is -20 + 0. When we add -20 to 0, the result is -20.
3.
-7 + (-9)
Correct Answer
B. -16
Explanation
The given expression is -7 + (-9). When we add a negative number to another negative number, the result is a more negative number. In this case, -7 plus -9 equals -16.
4.
3 - (-5)
Correct Answer
C. 8
Explanation
The given expression is 3 - (-5). When subtracting a negative number, it is equivalent to adding its positive counterpart. Therefore, -(-5) becomes +5. So, the expression simplifies to 3 + 5, which equals 8.
5.
3 - 5
Correct Answer
A. -2
Explanation
The given sequence is obtained by subtracting 5 from 3, resulting in -2. Therefore, the correct answer is -2.
6.
-3 - (-5)
Correct Answer
D. 2
Explanation
The given expression is -3 - (-5). When subtracting a negative number, it is equivalent to adding the positive form of that number. Therefore, -3 - (-5) can be rewritten as -3 + 5. Adding -3 and 5 gives us 2.
7.
7 - 11
Correct Answer
D. -4
Explanation
The given expression is 7 - 11, which equals -4.
8.
-9 - (-15)
Correct Answer
B. 6
Explanation
The given expression is -9 - (-15). To simplify this expression, we can change the subtraction of a negative number to addition. So, -9 - (-15) becomes -9 + 15. When we add -9 and 15, we get 6 as the result. Therefore, the correct answer is 6.
9.
-6 + (-11)
Correct Answer
-17
Explanation
The given expression is the sum of -6 and -11. When we add these two negative numbers, we get a larger negative number. In this case, the sum is -17.
10.
7 - (-9)
Correct Answer
16
Explanation
The expression 7 - (-9) can be simplified by changing the double negative to a positive. When we subtract a negative number, it is equivalent to adding the positive value. Therefore, 7 - (-9) becomes 7 + 9, which equals 16.
11.
19 + (-6)
Correct Answer
13
Explanation
The given expression is 19 + (-6), which can be simplified by adding the numbers together. When we add 19 and -6, we get 13 as the result. Therefore, the answer to the expression is 13.
12.
34 - (-66)
Correct Answer
100
Explanation
The given expression is 34 - (-66). When subtracting a negative number, it is equivalent to adding the positive form of that number. So, -(-66) becomes +66. Therefore, 34 + 66 equals 100.