Verified answer

[tex]\large\bm{4x + 2 = 38} \\ \large\bm{4x = 38 - 2} \\ \large\bm{4x = 36} \\ \\ \large\bm{x = \dfrac{36}{4} } \\\\ \bm{\large\boxed{\boxed{  { \large \bm{ x = 9 }}}}}[/tex]

[tex]{\large\boxed{\boxed{  { \large \bm{ Bons~Estudos} }}}}[/tex]