$$ \begin{aligned} 8q+6 &= 4q-14&& \text{move the $ \color{blue}{ 4q } $ to the left side and $ \color{blue}{ 6 }$ to the right} \\[1 em]8q-4q &= -14-6&& \text{simplify left and right hand side} \\[1 em]4q &= -20&& \text{ divide both sides by $ 4 $ } \\[1 em]q &= -\frac{20}{4}&& \\[1 em]q &= -5&& \\[1 em] \end{aligned} $$
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