2 to the 4th power -8 x2÷4 = ? The book gets 12 I get 0 what am I doing wrong please help

Question

2 to the 4th power -8 x2÷4 = ? The book gets 12 I get 0 what am I doing wrong please help

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Amity 4 years 2021-08-26T10:39:53+00:00 1 Answers 11 views 0

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  1. Dau
    0
    2021-08-26T10:41:50+00:00
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    Answer:

    (2^4) + ((-8 * 2)/4) = 12

    Step-by-step explanation:

    2^4 – 8 * 2 / 4 = 12

    First, turn the equation into this

    (2^4) + ((-8 * 2)/4) = 12

    Always do exponents, multiplication and division first

    So, 2^4 is 16. Next do -8 * 2 which gets you -16, then divide that by 4 to get -4. Lastly, add on the 16 to the -4 to result in 12.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )