Réponse:

b)

[tex]x + \frac{3}{3} - 4x - \frac{1}{6} = 3 + \frac{1}{3} [/tex]

[tex] - 3x + \frac{5}{6} = \frac{10}{3} [/tex]

[tex] - 3x = \frac{20 - 5}{6} [/tex]

[tex] - 3x = \frac{15}{6} [/tex]

[tex]x = \frac{ - 15}{6 \times 3} = \frac{ - 15}{18} [/tex]

c)

[tex] - 2(2x - 4) = 6x - ( - 3 + x)[/tex]

[tex] - 4x + 8 = 5x + 3[/tex]

[tex]x = - 5[/tex]

d)

[tex]4x - 2 + (5x - 1) = - 3(7 - x)[/tex]

[tex]9x - 3 = - 21 + 3x[/tex]

[tex]6x = - 18[/tex]

[tex]x = - 3[/tex]

e)

[tex]x + \frac{5}{2} - 2x - \frac{7}{5} = 2 + \frac{3x}{10} [/tex]

[tex] - x + \frac{25 - 14}{10} = \frac{20 + 3x}{10} [/tex]

[tex] - 10x + 11 = 20 + 3x[/tex]

[tex] - 13x = 9[/tex]

[tex]x = \frac{ - 9}{13} [/tex]