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How do I show work for -3 + 7

User Jhoanna
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View a number line and graph 7 notches on each side. -3 is less than 0, so count 3 units to the left of 0 and label that notch. 7 is greater than 0, so count 7 to the right of 0 and label that notch. Now, analyze the graph. The question is asking for -3+7, so if you start at -3 and count up to 7, you will end up at 4. This is because you started at a negative value (-3) and counted up 7. So, -3+7=7-3=4.
User Leafmeal
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