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12 December, 07:08

What is the solution to the system of equations?

3 x minus 4 y = 16. 2 x + 3 y = 5.

(-4, 1)

(4, - 1)

(-4, - 1)

(4, 1)

+4
Answers (1)
  1. 12 December, 07:11
    0
    (4, - 1)

    Step-by-step explanation:

    3 x minus 4 y = 16

    2 x + 3 y = 5

    3x - 4y = 16

    2x + 3y = 5

    x = 2.5 - 1.5y

    3 (2.5 - 1.5y) - 4y = 16

    7.5 - 4.5y - 4y = 16

    -8.5 = 8.5y

    y = - 1

    x = 2.5 - 1.5 (-1)

    x = 2.5 + 1.5

    x = 4

    (4, - 1)
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