The perimeter of the triangle shown below is 37 centimeters. Find the value of x.
2r + 1
3x
2(x + 4)

Answer:
4
Step-by-step explanation:
Perimeter of triangle = 2x + 1 + 3x + 2(x + 4)
= 2x + 1 + 3x + 2x + 8
= 7x + 9
7x + 9 = 37
7x = 37 - 9
= 28
x = 28 ÷ 7
x = 4