Question:

Find:
(a) (– 7) – 8 – (– 25)
(b) (– 13) + 32 – 8 – 1
(c) (– 7) + (– 8) + (– 90)
(d) 50 – (– 40) – (– 2)

Updated On: Dec 21, 2023
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Solution and Explanation

(a) (-7) – 8 – (-25)
= (-7) – 8 + 25
= -15 + 25 = 10


(b) First, let’s add all the positive numbers and all the negative numbers separately
(-13) + 32 – 8 – 1
= 32 - 22
= 10


(c) (- 7) + (- 8) + (- 90)
= – (7 + 8 + 90)
= -105


(d) 50 – (-40) – (-2)
= 50 + 40 + 2
= 92

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