1. (-4) + 7 2. 2 - (-7) 3. (-3) -(-3) 4. 33 - (-15) 5. (-122) + (-58)
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1. (-4)+7 = 3
2. 2-(-7) = 9
3. (-3)-(-3) = 0
4. 33-(-15) = 48
5. (-122)+(-58) = -180
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