$$ \begin{aligned} 9+\frac{63}{9}\cdot(3+\frac{16}{4}) &= 0&& \text{multiply ALL terms by } \color{blue}{ 36 }. \\[1 em]36\cdot9+36 \cdot \frac{63}{9}\cdot(3+\frac{16}{4}) &= 36\cdot0&& \text{cancel out the denominators} \\[1 em]324+1764 &= 0&& \text{simplify left side} \\[1 em]2088 &= 0&& \\[1 em] \end{aligned} $$
Since the statement $ \color{red}{ 2088 = 0 } $ is FALSE, we conclude that the equation has no solution.
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