Question

The triangle below is equilateral. That means all the sides are the same length. What is the value of y?

Answer 1

7

Explanation:

As all sides are equal,

3x=5x-8

2x=8

x=4

5+y=3x

5+y=3*4

5+y=12

y=12-5

y=7

Answer 2

y = 7

Explanation:

3x = 5x - 8

8 = 2x

x = 4

3x = 5 + y

3(4) = 5 + y

12 = 5 + y

7 = y

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