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The equation is

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                (Divide each side by p)

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                     (Cancel common terms)

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            (Subtract 1 from each side)

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                         (Additive inverse property: 1 – 1= 0)

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Substitute t = –2 in equation p(t+1)= –2

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p(– 2 + 1 )= –-2

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p(–1) = –2                              (Add:  –2 + 1 = –1)

\ p =2                                         (Multiply each side by negative one) \

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The value of t = –2 and p = 2.

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