Question

find the sum of 15 + (-8)
$15 + ( - 8) = 15 - 8 = 7$

Answer 1

$15 + ( - 8) \\ = 15 - 8 \\ = 7$
7 is the answer.
Hope you got it

Answer 2

Hey mate.
Here is your answer-

You already have solved it.【7】is the correct answer.
But for your convenience I am solving it.

=> 15 + (-8)
=> 15 - 8 [ '+' × '-' = '-' ]
=> 7 answer.

Hope it helps!!!!!