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6 August, 13:59

2y-3x=-27

5y+3x=6

Solve x and y

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Answers (1)
  1. 6 August, 15:05
    0
    Answer: y=-3 x=7

    Step-by-step explanation:

    2y-3x=-27 ... (1)

    5y+3x=6 ... (11)

    Add (1) and (11)

    2y+5y-3x+3x=-27+6

    7y=-21

    Divide both sides by 7

    7y/7=-21/7

    y=-3

    Substitute y=-3 in 5y+3x=6

    5 (-3) + 3x=6

    -15+3x=6

    3x=6+15

    3x=21

    Divide both sides by 3

    3x/3=21/3

    x=7
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