Hello!
-7 will be your answer.
Let’s first substitute in each of the choices below.
-17+-5 Does Not equal -12 so we know it’s not The first one
-7+-5=-12 We have our Answer but let’s just check the others just so we know.
7+-5 is the same thing as 7-5 so it will be 2.
And 17+-5 is the same thing as subtracting 5 so that will be 12.
Our answer is the second one