Question

Sum of two numbers is -30.if one of them is 15,find the other integer.

Answer 1

let the unknown number be x.
a/q                    15+x= -30
                        = x= -30 -15
                        ∴ x= -45
so -45 is the integer which should be added to 15 to obtain -30

Answer 2

Sum of two numbers=-30
1 integer=15
another be x
15+x=-30
x=-30-15
x=-45
TWO NUMBERS ARE 15 and -45