Question

what must be subracted from (-10) to obtain (-17) a)7 b)-7 c) 27 d)-27​

Answer 1

Answer:

7 because -10-7= -17

that's it

Answer 2

Answer:

Let the number be x.

So, -10-x=-17, isn't it?

So here, -x=-17+10

=> -x=-7

=> x=7

That's quite simple, just needs practise.

Thank yaa