Evaluate 3x – 4 when x=7. The value of the expression is​

Question

Evaluate 3x – 4 when x=7. The value of the expression is​

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Tryphena 6 months 2021-08-31T10:16:53+00:00 2 Answers 2 views 0

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  1. trungdung22
    0
    2021-08-31T10:17:54+00:00
    Reply

    Answer:

    17

    Step-by-step explanation:

  2. phucdien
    0
    2021-08-31T10:17:55+00:00
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    Answer:

    Let’s solve your equation step-by-step.

    3x+2=14

    Step 1: Subtract 2 from both sides.

    3x+2−2=14−2

    3x=12

    Step 2: Divide both sides by 3.

    3x
    /3 = 12/3

    x=4

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