Question

6. What is the value of n? (ii)

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Answer 1

Answer:

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. An algebraic expression tells us the relationship between numbers.

Step-by-step explanation: