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13 September, 07:48

Which ordered pair is the solution to the system of equations?

-3x+4y=-20

x+4y=-4

A.

(8, 1)

B.

(-12, 2)

C.

(-4, - 8)

D.

(4, - 2)

+4
Answers (1)
  1. 13 September, 10:31
    0
    X+4y=-4

    x=-4-4y

    -3 (-4-4y) + 4y=-20

    12+12y+4y=-20

    16y=-20-12

    y=-32/16

    y=-2

    x=-4-4 (-2)

    x=-4+8

    x=4

    D. (4,2)
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Home » Mathematics » Which ordered pair is the solution to the system of equations? -3x+4y=-20 x+4y=-4 A. (8, 1) B. (-12, 2) C. (-4, - 8) D. (4, - 2)
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