Question

The Sum of two integers is $-15$. If one of them is $9$, find the other.

Answer 1

Let the other integer be $x$.
according to the question :

$x+9=-15$
$x=-15-9$
$x=-(15+9$)

[Taking ${}^{\prime }{-}^{\prime }$ as common]

$=-24$

$\therefore$ The value of the other integer is $-24$.