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11 December, 11:46

Solve the system of equations using elimination.

8x + 7y = - 16

10x + 7y = - 6

A)

(3, 6)

B)

(8, 5)

C)

(7, 10)

D)

(5, - 8)

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Answers (1)
  1. 11 December, 14:40
    0
    Answer: D. (5, - 8)

    Step-by-step explanation:

    (Multiply by - 1) - 8x-7y=16

    10x+7y=-6

    2x=10

    X=5

    (Subsitite 5 into one) 10 (5) + 7y=-6

    50+7y=-6

    7y=-56

    Y=-8
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