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Find 3+(-9) should you add or subtract 3 and 9? Why?
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Find 3+(-9) should you add or subtract 3 and 9? Why?
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Mar 14, 2017
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Find 3+(-9) should you add or subtract 3 and 9? Why?
Mathematics
middle-school
Raymond Nijland
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Raymond Nijland
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For 3 + (-9), you should
subtract 9 from 3
. When you add a negative number it's the same thing as just subtracting said number. So, to solve this problem, you would change 3 + (-9) to 3 - 9, which is -6.
Sivalingaamorthy
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Mar 20, 2017
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Sivalingaamorthy
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