SOLVING WITH ELIMINATION NON STANDARD FORM?

7x - 3y + 5 = 16

4y = 3x + 17

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  • Kenny
    Lv 5
    8 years ago
    Favorite Answer

    7x - 3y + 5 = 16; Multiply by 4

    4y = 3x + 17; -3x + 4y - 17 = 0; Multiply by 3

    28x - 12y + 20 = 64

    -9x +12y - 51 = 0

    19x - 31 = 64

    19x = 95

    x = 5

    7(5) - 3y + 5 = 16

    35 - 3y + 5 = 16

    40 - 3y = 16

    -3y = -24

    y = 8

    Answer: (5,8)

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