Solve $LaTeX: \displaystyle | 6 x + 2 |=28$

Splitting into two linear equations gives $LaTeX: \displaystyle 6 x + 2=-28$ and $LaTeX: \displaystyle 6 x + 2=28$ . Solving gives the two solutions $LaTeX: \displaystyle x=\frac{13}{3}$ and $LaTeX: \displaystyle x=-5$