a)
[tex]2x - 5 = 9 \\ 2x = 14 \\ x = 7[/tex]
b)
[tex] - 8x + 20 = 36 \\ - 8x = 16 \\ x = - 2[/tex]
c)
[tex]2x + 5 = 11.8 + x \\ x = 6.8[/tex]
d)
[tex]6(x - 7) = 24 \\ 6x - 42 = 24 \\ 6x = 66 \\ x = 11[/tex]
e)
[tex] \frac{4x}{2} - \frac{2 - 2x}{5} = \frac{5x - 3}{2} | \times 10 \\ 20x - 4 + 10x = 25x - 15 \\ 5x = - 11 \\ x = - \frac{11}{5} [/tex]