$$ \begin{aligned} 8(q-6) &= -16q-6&& \text{simplify left side} \\[1 em]8q-48 &= -16q-6&& \text{move the $ \color{blue}{ -16q } $ to the left side and $ \color{blue}{ -48 }$ to the right} \\[1 em]8q+16q &= -6+48&& \text{simplify left and right hand side} \\[1 em]24q &= 42&& \text{ divide both sides by $ 24 $ } \\[1 em]q &= \frac{42}{24}&& \\[1 em]q &= \frac{7}{4}&& \\[1 em] \end{aligned} $$

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