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14 October, 09:05

Solve the system

x - 2y = - 6

3x + y = - 4

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Answers (1)
  1. 14 October, 11:24
    0
    {x-2y=-6

    {3x+y=-4 / * 2

    {x-2y=-6

    {6x+2y=-8 (+)

    7x=-14 / : 7

    x=-2

    3x+y=-4

    3 * (-2) + y=-4

    -6+y=-4

    y=2

    Solution: (-2; 2)
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