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4 December, 10:03

Which ordered pair in the form (x, y) is a solution of this equation?

7x-5y=1

A] (-3,-2)

B] (-2,-3)

C] (0,4)

D] (4,0)

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Answers (1)
  1. 4 December, 10:16
    0
    The ordered pair is (-2, - 3)

    Step-by-step explanation:

    Step 1: To find whether an ordered pair is a solution, substitute values of x and y and see whether it satisfies the equation.

    (-3, - 2) ⇒ 7 * - 3 - 5 * - 2 = - 21 + 10 = - 11 ≠ 1

    (-2, - 3) ⇒ 7 * - 2 - 5 * - 3 = - 14 + 15 = 1

    (0, 4) ⇒ 0 - 5 * 4 = 20 ≠ 1

    (4, 0) ⇒ 7 * 4 - 0 = 28 ≠ 1

    So the ordered pair is (-2, - 3)
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