$$ \begin{aligned} 3(-2x+10) &= -9x-4&& \text{simplify left side} \\[1 em]-6x+30 &= -9x-4&& \text{move the $ \color{blue}{ -9x } $ to the left side and $ \color{blue}{ 30 }$ to the right} \\[1 em]-6x+9x &= -4-30&& \text{simplify left and right hand side} \\[1 em]3x &= -34&& \text{ divide both sides by $ 3 $ } \\[1 em]x &= -\frac{34}{3}&& \\[1 em] \end{aligned} $$

This page was created using