Answer: -5
Step-by-step explanation: We can use a number line to help us visualize what's going on.
-2 tells us to move 2 units to the left us 0.
Then from there, -3 tells s to move an
additional 3 units to the left and we end up at -5.
I have shown the number line below.
So -2 + -3 is -5.