Evaluate the expression when b=4/5 and c=-3/8 2c-b

Question

Evaluate the expression when b=4/5 and c=-3/8

2c-b

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RuslanHeatt 3 years 2021-08-17T07:46:28+00:00 1 Answers 2 views 0

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  1. Orla
    0
    2021-08-17T07:48:01+00:00
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    Answer:

    -1/20

    Step-by-step explanation:

    2(3/8) – 4/5

    6/8 – 4/5

    30/40 – 32/40

    -2/40

    -1/20

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