Question

Fill in the blanks:
15 + 27 =
27 + 0 =
7 + = 0
(-9) + = 0
17 + (-17) =
(-7) + = -5
The successor of -9 is .
The predecessor of -2 is
45 – 45 =
-3 + = -2

Answer 1

Answer:

42,27,7My guess is this ans

Answer 2

Answer:

15 + 27 = 42

27 + 0 = 27

7 + -7 = 0

(-9) + 9 = 0

17 + (-17) = 0

(-7) + 2 = -5

The successor of -9 is -8

The predecessor of -2 is -3

45 – 45 = 0

-3 + 1 = -2

Step-by-step explanation:

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