Olá

[tex]\LARGE\tt{}1(4x + 5) + 2(1x - 9) \\ \LARGE\tt{}1(4x + 5) + 2(x - 9) \\ \LARGE\tt{}(4x + 5) + 2(x - 9) \\ \LARGE\tt{}4x + 5 + 2(x - 9) \\ \LARGE\tt{}4x + 5 + 2x - 18 \\ \LARGE\tt{}6x + 5 - 18 \\ {\large\boxed{\boxed{  { \LARGE \tt 6x - 13 }}}}[/tex]

[tex]{\large\boxed{\boxed{  { \large \tt BONS \: \: ESTUDOS \: MEU \: ANJO \:\red{\heartsuit} }}}}[/tex]