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3 December, 08:03

Use elimination to find the solution to the system of equations.

5x + y = 10

2x - 2y = 4

A. (-2, 20)

B. (2, 0)

C. (9, 7)

D. (0, 2)

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Answers (1)
  1. 3 December, 12:01
    0
    Multiply the first equation by 2 to give

    10x + 2y = 20

    2x - 2y = 4 Adding to elininate y

    12 x = 24

    x = 2

    Plug x = 2 into 2x - 2y = 4

    4 - 2y = 4

    y = 0

    so the answer is

    (2,0)
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