Question

Tell a pair of integer whose sum is -3 and difference is-5

Answer 1

let the integers be x&y

x + y = -3....1

x -y = -5.....2

by subsituting method

x + y = -3

x=-3-y put in eq 2

x-y = -5

-3-y-y = -5

-3-2y = -5

-2y = -5+3

-2y = -2

y = 1

x = -3-y

x = -3-1

x = -4