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20 May, 14:21

Solve.

-6x - 4y = - 32

-2x + 7y = 6

A. (5, 3)

B. (5, 2)

C. (4, 3)

D. (4, 2)

+4
Answers (1)
  1. 20 May, 14:40
    0
    D

    Step-by-step explanation:

    -6x=4y-32

    x = (2 (2y-16)) / -6

    x = (2y-16) / -3

    x = (-2/3) * y+16/3

    solve for y:

    -2 ((-2/3) * y+16/3) + 7y=6

    (4/3) y+21/3y + (-32/3) = 18/3

    (25/3) y = (18+32) / 3

    (25/3) y=50/3

    25y=50

    y = 2

    solve for x:

    -6x - 4y = - 32

    -6x - 8 = - 32

    -6x = - 24

    x = 4

    answer: (4, 2)
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