Question

(1)Add the following integers using paper stripes
a) 9 + (-7)
b) 8 + (-12)
c) (-11) + 5
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Answer 1

Answer:

a)2

b)-4

C)-6

Hope it helps

Answer 2

Step-by-step explanation:

a) positive negative=negatives so

9-7=2

b) negative negative =positive so

8+12=20

c) negative positive =negative

11-5=6