Hey there!
Guide:
• 2 negatives = positive
• 2 positives = positive
• 1 negative & 1 positive = negative
• 1 positive & 1 negative = negative
• Negatives are BELOW 0
• Positives are ABOVE 0
• Negatives are on the LEFT of 0
• Positives are on the RIGHT of 0
Answering your question……
Equation: 3 + (-7)
Conversion equation: 3 - 7
Start at 3 and go UP 7 spaces to your right.
You have stopped at: -4
Answer: -4
Therefore, your answer is: Option C. -4
Good luck on your assignment and your day!
~Amphitrite1040:)