Question

please answer this question (integers)​

Answer 1

Answer:

i -30

ii 0

iii -10

iv -15

Step-by-step explanation:

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Answer 2

Answer:

(i.) -21+(-5)

= -(21+5)

= -26

(ii.) -7+(7)

= 0

(iii.) 5+(-15)

= 5-15

= -10

(iv.) -22+(7)

= -15