Question

Q2.Write down a pair of integers whose-
(i) sum is -5
(ii) difference is -7

Answer 1

x + y = -5 -----(1)

x - y = -7 -----(2)

(1)+(2)

x = -12

x= -12 in(1)

-12 + y = -5

y = -5+12

y = 7