Answer:
Algebra is about using pictures or letters to represent numbers. ... 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
7 x 2 = N=14
Step-by-step explanation:
(#HOPE IT HELPS)
