Question

The product of two numbers is 105.If one number is (-7), what is the other

Answer 1

x=-7
y=?

x×y=105
y=105/x
y=105/-7
y=   (-15)  Answer..

Answer 2

Let the number be 'x'
(-7)(x) =105
x=105/-7
x=15/-1
x=-15

So, the other number is -15