Sagot :
Answer:
The "number"
Step-by-step explanation:
I just search it on gogle hope it helps
correct it if its wrong
In an equation, N represents a specific number, not any number. N + 9 = 12 means N is a number which, when added to 9, must give the answer 12. So N can only be the number 3 because only 3 + 9 is equal to 12.