Question

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Answer 1

Answer:

Q1. (a) Pair of negative integers whose diffrence gives 8

( -7, -15)

(b) A negative integer and positive integer whose sum is 5

(-10, 5)

(c) A negative integer and positive integer whose difference is -3

(-2, 1)

Q2. (i) (-5) + (-8) = (-8) + (-5)

(ii) -53 + 0 = -53

(iii) 17 + (-17) = 0

(iv) [13 + (-12)] + (-7) = 13 + [(-12) + (-7)]

(v) (-4) + [15 + (-3)] = [-4 + 15] + (-3)