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2 April, 13:46

Solve the system of equations using the substitution method. 2x - y = - 10 y = 4x (x, y) =

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  1. 2 April, 15:26
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    2x - y = - 10

    y = 4x

    2x - 4x = - 10

    -2x = - 10

    x = 5

    y = 4x

    y = 4 * 5

    y = 20

    Answer : (x, y) = (5,20)
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