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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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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

User Wololo
by
3.1k points

2 Answers

4 votes

Answer:

Explanation:

3(2x-1)=21

2x-1=7

2x=8

x=4

User Singletoned
by
3.4k points
4 votes

Answer:

4

Explanation:

All sides equal

3(2x - 1) = 21

2x - 1 = 7

2x = 8

x = 4

User Tehcpu
by
3.4k points
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