CEMC Cayley, 2023

Algebra Difficulty 1.1 Junior Find the answer Canada

If $3n = 9+9+9$ , then $n$ equals

Pick one

Solution

Since $3n = 9 + 9 + 9 = 3 \times 9$ , then $n = 9$ .

Alternatively, we could note that $9 + 9 + 9 = 27$ and so $3n = 27$ which
gives $n = \frac{27}{3} = 9$ .

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