$$ \begin{aligned} 1 &= 2x\cdot3-4&& \text{ swap the left and right side of the equation } \\[1 em]2x\cdot3-4 &= 1&& \text{ move -4 to the right } \\[1 em]6x &= 1+4&& \\[1 em]6x &= 5&& \text{ divide both sides by $ 6 $ } \\[1 em]x &= \frac{5}{6}&& \\[1 em] \end{aligned} $$