Respuesta :
[tex] 3x + 1 = 3 \\ \\3x + 1-1 = 3 -1\\ \\ 3x = 2 \\ \\ \frac{3x}{3} = \frac{2}{3} \\ \\ x = \frac{2}{3} [/tex]
[tex]3x+1 =3 \\ \\ 3x =3 -1 \\ \\ 3x =2 \\ \\ \\ \frac{3x}{3} = \frac{2}{3} \\ \\ x = \frac{2}{3} \\ \\ \framebox[1.1\width]{Good Luck!} \par[/tex]