The length of the side of an equilateral triangle is represented by 2x – 1. If the perimeter of the triangle is 21 what is the value of x

Question

The length of the side of an equilateral triangle is represented by 2x – 1. If the perimeter of the triangle is 21 what is the value of x

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Caroline 7 hours 2021-11-25T23:01:51+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-11-25T23:03:04+00:00

    Answer:

    Step-by-step explanation:

    3(2x-1)=21

    2x-1=7

    2x=8

    x=4

    0
    2021-11-25T23:03:47+00:00

    Answer:

    4

    Step-by-step explanation:

    All sides equal

    3(2x – 1) = 21

    2x – 1 = 7

    2x = 8

    x = 4

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45:7+7-4:2-5:5*4+35:2 =? ( )