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6 January, 23:19

X - 2x - 5 = 3 (x + 5)

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  1. 7 January, 00:53
    0
    x = - 5

    Step-by-step explanation:

    Using the given equation:

    x - 2x - 5 = 3 (x + 5)

    Distribute: x - 2x - 5 = 3x + 15

    Combine like terms: - x - 5 = 3x + 15

    Add 'x' to both sides: - x - 5 + x = 3x + 15 + x or - 5 = 4x + 15

    Subtract 15 from both sides: - 5 - 15 = 4x + 15 - 15 or - 20 = 4x

    Divide both sides by 4: - 20/4 = 4x/4 or x = - 5
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