Respuesta :

Answer:

the first one is 9 the second one is 12

Step-by-step explanation:

opposite sides of parallelograms are the same length

first one: 2x-1= x+8

2(9) -1 = 18-1 =17

(9) +8=17

second one: 22= 2x-2

2(12) -2 = 24 -2= 22