0
Anonymous
-15. The rule is 'subtracting a positive is the same as adding a negative'
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9 - 6 = 3
27 - 9 - 6 = 12
It is 9*6 minus 7 = 47
-9
-9 - 6 = -15
15 - 6 = 9 13 - 9 = 4 Therefore, 15 - 6 = 13 - 4.