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24 April, 10:32

What is 2x-4. I really don't understand

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  1. 24 April, 10:39
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    2 * - 4 = - 8

    Step-by-step explanation:

    2 * - 4 = - 8

    It is just like multiplying two numbers like ... 2 * 4 = 8

    You must need to know that:

    +a * - b = - c

    -a * - b = + c

    +a * + b = + c

    In your question;

    +a * - b = - c

    a = 2

    b = - 4

    c = - 8

    therefore:

    2 * - 4 = - 8
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