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16 March, 16:46

Solve by substitution d+e=2 d-e=4

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  1. 16 March, 19:11
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    Solve for d in d + e = 2

    d = 2 - e

    Substitute d = 2 - e into d - 3 = 4

    2 - 2e = 4

    Since 2 - 2e = 4 is false, this is an inconsistent system

    No solution exists.
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