Answer:
The answer is -10.
Explanation:
3+7= ten right? Notice that the numbers have negitive signs?
If the numbers are BOTH negitives than it stays a negitive! If the positive is more than the negative then the answer if positive.
(Ex. -5+8=3)
If the negative if more than positive then the answer will be negitive!
(EX -7+5=-2)