Question

the sum of two integers is -25 .if one of them is 30 then the other is _

Answer 1

let first integers be x
second integers is 30
then according to the question
x+30=-25
x=-25-30
x=-55
may be its help full

Answer 2

Its easy Let the unknown number be x Then you have to write- -x+30= -25 -x= (-25)-30 -x=55 x= -55  Hope it helps!!