Lineární rovnice

a)   \[ \frac{2x + 6}{4} = 3 \]

b)   \[ \frac{3x - 9}{6} = x - 2 \]

c)   \[ \frac{x + 5}{2} + \frac{x - 3}{4} = 3 \]

d)   \[ \frac{4x + 8}{6} = \frac{2x}{3} + 2\]

e)   \[ \frac{3x - 9}{4} = \frac{x + 3}{2}\]

f)   \[ \frac{5x + 15}{8} = \frac{3x}{4} + 1\]