Question

Find the sum:
(a) (-62) + (+36) –(+19) –(–41)
(b) (42) –(27) + (+67) + (–77)

Answer 1

Answer:

$(a )\: ( - 62) + ( + 36) - ( + 19) - ( - 41) \\ \\ = - 62 + 36 - 19 + 41 \\ \\ = - 62 - 19 + 36 + 41 \\ \\ = - 81 + 77 \\ \\ = - 4 \\ \\ (b) \: 42 - 27 + ( + 67) + ( - 77) \\ \\ = 42 - 27 + 67 - 77 \\ \\ = 42 + 67 - 27 - 77 \\ \\ = 109 - 104 \\ \\ = 5$

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Answer 2

Answer:

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