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Mathematics 7 Online
OpenStudy (anonymous):

Variable p is 2 more than variable d. Variable p is also 1 less than variable d. Which pair of equations best models the relationship between p and d? p = d + 2 p = d − 1 p = d − 2 p = d + 1 d = 2p d = 2p − 1 d = 2p d = 2p + 1

OpenStudy (anonymous):

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