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1 August, 08:30

Solve, using linear combination.

3x + y = 4

2x + y = 4

A. (-1,7)

B. (0,4)

C. (-3,12)

D. (-3,13)

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Answers (1)
  1. 1 August, 08:58
    0
    3x + y = 2x + y

    3x - 2x = y - y

    x = 0

    so the answer is (x, y) (0,4)
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