Answer :
- [tex] \sf \: 3(14 - 5x) = 16 - 12x[/tex]
- [tex] \sf \: 42 - 15x = 16 - 12x[/tex]
- [tex] \sf \: - 15x + 12x = 16 - 42[/tex]
- [tex] \sf \: - 3x = - 26[/tex]
- [tex]\sf x = \frac{ \cancel -26}{ \cancel- 3} [/tex]
- [tex] \large \boxed{\sf \underline{ \color{green}x = \frac{26}{ 3} }}[/tex]