$$ \begin{aligned} \frac{8n-4}{4}-6 &= 11&& \text{multiply ALL terms by } \color{blue}{ 4 }. \\[1 em]4 \cdot \frac{8n-4}{4}-4\cdot6 &= 4\cdot11&& \text{cancel out the denominators} \\[1 em]8n-4-24 &= 44&& \text{simplify left side} \\[1 em]8n-28 &= 44&& \text{ move -28 to the right } \\[1 em]8n &= 44+28&& \\[1 em]8n &= 72&& \text{ divide both sides by $ 8 $ } \\[1 em]n &= \frac{72}{8}&& \\[1 em]n &= 9&& \\[1 em] \end{aligned} $$

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