Question

9. Add the following integers
(a) -3+7
(b) - 15+ (-27)
(c) -1 +6+ (-4)
(a) - 48 + 25​

Answer 1

Answer:

a) 4

b)-42

c)1

d)-23

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

a) -3+7 = 4 [ - , + = - ]

b) -15 + ( -27)

= -15 - 27

= -42 [ - , - = +]

c) -1 + 6 + (-4)

= -1 +6 - 4 [ + , - = - ]

= - 1 - 4 + 6

= -5+6

= 1

d) -48 + 25

= - 23 [ - , + = -]

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