Respuesta :
Answer:
x = -6
Step-by-step explanation:
3 - x = 9 subtract 3 from both sides
3 - 3 - x = 9 - 3
-x = 6 change the signs
x = -6
Answer:
Step-by-step explanation:
3 - x = 9 subtract 3 from both sides
3 - 3 - x = 9 - 3
-x = 6 change the signs
x = -6