Question

The sum of two integers is 310.if one of the integer is -80,find the other integer

Answer 1

let the integer be = x
x+(-80)=310
x-80=310
x=390

Answer 2

hey friends,
let the other number be x
then
x+(+80) = 310
x-80 =310
x=310+80
x=390
one integer is -80 then other will be 390
as
390 + -80 =310
hope this helps