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5 April, 08:51

Solve using linear combination.

y - x = - 3

y + x = 3

A) (-3,0)

B) (3,0)

C) (0,3)

D) (0,-3)

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Answers (1)
  1. 5 April, 09:49
    0
    y - x = - 3

    y + x = 3

    I + II

    2y = 0

    y = 0

    0 + x = 3 - -> x = 3

    b) (3, 0)
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