Respuesta :

Answer:

x-9=17

Step-by-step explanation:

x-9=17

17+9=26

x=26

x+12=20

20-12=8

2x=16

16/2=8

Answer:

x - 9 = 17

Step-by-step explanation:

Answers

1. x = 8

2. x = 26

3. x = 8

4. x = 8