[tex]\bf 2,4x+1,3=x-4,1[/tex]
[tex]\bf 2,4x -x =x-4,1-1,3[/tex]
[tex]\bf 1,4x=-5,4[/tex]
[tex]\bf \dfrac{14}{10}x =-\dfrac{54}{10}[/tex]
[tex]\bf x =-\dfrac{54}{10}:\dfrac{14}{10}[/tex]
[tex]\bf x =-\dfrac{54}{10}\cdot\dfrac{10}{14}[/tex]
[tex]\bf x =-\dfrac{\not54}{\not10}\cdot\dfrac{\not10}{\not14}[/tex]
[tex]\boxed{\bf x =-\dfrac{27}{7}}[/tex]