$$ \begin{aligned} (x-9)\cdot2 &= 4x\cdot2+5x+95&& \text{simplify left and right hand side} \\[1 em]2x-18 &= 8x+5x+95&& \\[1 em]2x-18 &= 13x+95&& \text{move the $ \color{blue}{ 13x } $ to the left side and $ \color{blue}{ -18 }$ to the right} \\[1 em]2x-13x &= 95+18&& \text{simplify left and right hand side} \\[1 em]-11x &= 113&& \text{ divide both sides by $ -11 $ } \\[1 em]x &= -\frac{113}{11}&& \\[1 em] \end{aligned} $$

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