An equilateral triangle has a perimeter of

12

y

+

9

. What is the length of each side of the triangle?

3

y

+

4

3 y plus 4

4

y

+

3

4 y plus 3

36

y

+

27

36 y plus 27

27

y

+

36

An equilateral triangle has a perimeter of

12

y

+

9

. What is the length of each side of the triangle?

3

y

+

4

3 y plus 4

4

y

+

3

4 y plus 3

36

y

+

27

36 y plus 27

27

y

+

36

Answer:Step-by-step explanation: