Parallelogram RSTU is shown. The perimeter of parallelogram RSTU is 50
centimeters. What is the value of x? *
R.
(2x + 15) cm
S
(3x + 20) cm
U
T
-5
-2.
3
O 12

Respuesta :

Answer: x = -2

Step-by-step explanation:

Given:

Perimeter = 50 cm

=> 2 (2x+15)+ 2(3x+20) =50

=> 4x+30+6x+40=50

=> 10x= -20

=> x= -20/10

=> x = -2