______________________________ -10. -9. -8. -7. -6. -5. -4. -3. -2. -1. 0. 1. 2. 3 We'll PROCEED towards left to SUBSTRACT a positive from negetive number. So, take 7 steps towards left from -3. We reach -10. That's the answer. Camera isn't working otherwise I would have shown you the working on a sheet a clicked a picture. Sorry :-(. Hope you understood what I tried to explain. Have nice day Please MARK as brainliest.