Question

the sum of two integers is 65 . if one of them is -31 find the other

Answer 1

let other integer be x
-31+x=65
x=65+31
x=96

Answer 2

Let the other integer be x,

Therefore,
x+(-31)= 65
x-31= 65
x= 65+31
x= 96

Hence the other number 96