answer the following
(-1)-(-6)+9=?
(-4)-(-12)+9=?
(-9)-(-18)+9=?
(-16)-(-24)+9=?
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Answer:
(-1)-(-6)+9 = (-1+6)+9 = 5+9 = 14
(-4)-(-12)+9 = (-4+12)+9 = 8+9 = 17
(-9)-(-18)+9 = (-9+18)+9 = 9+9 = 18
(-16)-(-24)+9 = (-16+24)+9 = 8+9 = 17.
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