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30 January, 19:12

2x-3y=-11

2x+y=9

What is the answer for this substitution method

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Answers (1)
  1. 30 January, 19:22
    0
    (-4,17)

    Step-by-step explanation:

    2x-3y=-11

    2x+y=9

    solve the equation

    x=-4

    2x+y=9

    substitute the value of x into an equation

    2 * (-4) + y=9

    solve the equation

    y=17

    A possible solution is

    (-4,17)

    check the solution

    2 * (-4) - 3=-11

    2 * (-4) + 17=9

    simplify

    -11=-11

    9=9

    the order pair is a solution

    answer is (-4,17)
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