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LettucetheGreat
it's actually (-9)... think of it as a hot air balloon, the positivies being balloons and the negatives being sandbags or weights.
You have 7 sandbags/weights and add 9 more sandbags/weights, causing u to go lower, therefore, *negative* 9
Hope that helped! :))
-9
If you look at a number line, then if you put your finger on negative 2 and subtract 7, then you will land on -9. Also the equation is the same as -7-2 which equals -9

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