Question

1. Write down a pair of integers whose: (a) sum is -7( b) difference is - 10(c) sum is 0​

Answer 1

Step-by-step explanation:

(a)(-5)(+)(-2)=-7<br> (b)(-9)(-)(1)=-10<br>(c)(1)(+)(-1)=0.

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Answer 2

Answer:

Step-by-step explanation:

(a) sum is -7

Solution:-

= – 4 + (-3)

= – 4 – 3 … [∵ (+ × – = -)]

= – 7

(b) difference is – 10

Solution:-

= -25 – (-15)

= – 25 + 15 … [∵ (- × – = +)]

= -10

(c) sum is 0

Solution:-

= 4 + (-4)

= 4 – 4

= 0