I need help asap thanks

Answer:
7x + 9 = 37 is the solution.
Step-by-step explanation:
Perimeter = 37cm
sides = 3xcm,2(x + 4)cm,(2x + 1)cm
Perimeter = sum of sides
37 = 3x + 2(x + 4) + (2x + 1)
37 = 3x + 2x + 8 + 2x + 1
37 = 7x + 9
Answer:
7x+9=37
Step-by-step explanation:
I hope I helped you