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29 March, 17:23

Which ordered pair is the solution to the system of equations? 3x - 2y = - 9, 4x + 3y = 22

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  1. 29 March, 21:18
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    (1, 6)

    Step-by-step explanation:

    Given the 2 equations

    3x - 2y = - 9 → (1)

    4x + 3y = 22 → (2)

    Multiplying (1) by 3 and (2) by 2 and adding the result will eliminate the x - term

    9x - 6y = - 27 → (3)

    8x + 6y = 44 → (4)

    Add (3) and (4) term by term

    17x = 17 (divide both sides by 17)

    x = 1

    Substitute x = 1 into either (1) or (2) and solve for y

    Substituting in (2)

    4 (1) + 3y = 22

    4 + 3y = 22 (subtract 4 from both sides)

    3y = 18 (divide both sides by 3)

    y = 6

    Solution is (1, 6)
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