Respuesta :
Answer:
-27
Step-by-step explanation:
18 + x = -9
subtract by 18 on both sides
x = -27
You can check this by...
18 - 27 = -9
I hope this helps!!
Answer:
-27
Step-by-step explanation:
18 + x = -9
subtract by 18 on both sides
x = -27
You can check this by...
18 - 27 = -9
I hope this helps!!