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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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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.