$$ \begin{aligned} -6x-86(7x-1)-6 &= 0&& \text{simplify left side} \\[1 em]-6x-(602x-86)-6 &= 0&& \\[1 em]-6x-602x+86-6 &= 0&& \\[1 em]-608x+80 &= 0&& \text{ move the constants to the right } \\[1 em]-608x &= -80&& \text{ divide both sides by $ -608 $ } \\[1 em]x &= \frac{-80}{-608}&& \\[1 em]x &= \frac{5}{38}&& \\[1 em] \end{aligned} $$
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