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10 February, 03:09

X-2y = - 4 and y = - x + 2 solve the system of equations

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  1. 10 February, 03:21
    0
    (0, 2)

    Step-by-step explanation:

    Given the 2 equations

    x - 2y = - 4 → (1)

    y = - x + 2 → (2)

    Substitute y = - x + 2 into (1)

    x = - 2 ( - x + 2) = - 4 ← distribute and simplify left side

    x + 2x - 4 = - 4

    3x - 4 = - 4 (add 4 to both sides)

    3x = 0 ⇒ x = 0

    Substitute x = 0 into (2)

    y = 0 + 2 = 2

    Solution is (0, 2)
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