Question

the sum of two integers is - 17. if one of them is - 21, find the other

Answer 1

sum of two integers are -17
on of them is -21 other is +4

Answer 2

let the 2 integers be X and Y
given; X+Y=-17
given:X=-21
put the value of X in equation:
-21+Y=-17
Y=-17+21
Y= 4