Question

Add the following interferes
(a) -5+2
(b) 7+ (-4)​

Answer 1

Answer:

(a) -3

(b) 11

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Answer 2

Answer:

a) -5 + 2 = -3

b) 7 + (-4) = 7 - 4 = 3

Notes:

# (+)×(-) = (-)

#(-)×(+)=(-)

#(-)×(-)=(+)

#(+)×(+)=(+)