Respuesta :
Answer:
X + 9 = 21
Isolate the variable, meaning getting rid of the constants
-9 -9
X = 12
Answer:
12
Step-by-step explanation:
To get the answer 12 you must:
Subtract 21 - 9
That would get you your answer.
Answer:
X + 9 = 21
Isolate the variable, meaning getting rid of the constants
-9 -9
X = 12
Answer:
12
Step-by-step explanation:
To get the answer 12 you must:
Subtract 21 - 9
That would get you your answer.