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25 May, 10:30

Use substitution to solve the system x+2y=1 and 2x+5y=3

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  1. 25 May, 14:01
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    X = 1 - 2y

    2 (1 - 2y) + 5y = 3

    2 - 4y + 5y = 3

    Y = 1

    x = 1 - 2 (1)

    x = - 1
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