$$ \begin{aligned} 3(x-2) &= 22-x&& \text{simplify left and right hand side} \\[1 em]3x-6 &= -x+22&& \text{move the $ \color{blue}{ -x } $ to the left side and $ \color{blue}{ -6 }$ to the right} \\[1 em]3x+x &= 22+6&& \text{simplify left and right hand side} \\[1 em]4x &= 28&& \text{ divide both sides by $ 4 $ } \\[1 em]x &= \frac{28}{4}&& \\[1 em]x &= 7&& \\[1 em] \end{aligned} $$

This page was created using