How would we add -3 + (-9) on the number line?
2 answers:
When you are adding a positive number we would go right but -9 isn’t a positive it’s a negative so we would go left on the number line
Answer:
-12
Step-by-step explanation:
1. Create an Equation
-3-9
2. Solve
-3-9 <=== subtract -3 and -9 together to get your answer
-12
3. Check
-12+3 <=== create this equation or this one ===> -12+9 to check if we calculated correctly
-12+3= -9 -12+9= -3
this shows the answer is corrrect
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