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Please help me with number 7.
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Please help me with number 7.

Please help me with number 7.-example-1
User Oliverbj
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7a expression: 12 + (- 1) + (- 1) + 3
7b evaluate: 13 Solving:((12 + -1 = 11) + (-1 + 3 = 2) (11 + 2 = 13))
7c: At the end of the three days, the value of the stock was $13.
User Igreenfield
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