$$ \begin{aligned} x+1+4x &= 11x+12x-3&& \text{simplify left and right hand side} \\[1 em]5x+1 &= 23x-3&& \text{move the $ \color{blue}{ 23x } $ to the left side and $ \color{blue}{ 1 }$ to the right} \\[1 em]5x-23x &= -3-1&& \text{simplify left and right hand side} \\[1 em]-18x &= -4&& \text{ divide both sides by $ -18 $ } \\[1 em]x &= \frac{-4}{-18}&& \\[1 em]x &= \frac{2}{9}&& \\[1 em] \end{aligned} $$

This page was created using