Question

what is (-9)-____=15​

Answer 1

Answer:

(-24) is the answer because -9-(-24)=15 .

-9 +24=+15 ( - × - = +)

Step-by-step explanation:

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Answer 2

To solve this we can first take the blank as a variable x. (-9)-x=15. Now we can take (-9) to the other side making it:

(-9)-x=15

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

-x=24

Now we make x positive and 24 negative by multiplying both the sides by -1.

-x=24

-x*-1=24*-1

x=-24

So the missing number is -24.