Find:

(a) (-7) – 8 – (-25)


(b) (-13) + 32 – 8 -1


(c) (-7) + (-8) + (-90)


(d) 50 – (-40) – (-2)

(a) We have,


= (- 7) – 8 – (- 25)


= - 7 – 8 + 25


= - 15 + 25


= 10


Therefore, answer is 10


(b) We have,


= (- 13) + 32 – 8 – 1


= - 13 + 32 – 8 – 1


= - 13 + 32 – 9


= - 22 + 32


= 10


Therefore, answer is 10


(c) We have,


= (- 7) + (- 8) + (- 90)


= - 7 – 8 – 90


= - 15 – 90


= - 105


Therefore, answer is – 105


(d) We have,


= 50 – (- 40) – (- 2)


= 50 + 40 + 2


= 90 + 2


= 92


Therefore, answer is 92


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