Final answer:
The expression 9+(-7) can be interpreted as adding 9 and -7 together, which equals 2.
Step-by-step explanation:
The expression 9+(-7) can be interpreted as adding 9 and -7 together. When adding positive and negative numbers, we can think of it as subtracting the absolute value of the negative number from the positive number. In this case, 9 + (-7) is the same as 9 - 7, which equals 2.