👤

Rezolva in multimea numerelor reale ecuatiile: a)
[tex] \frac{x}{3} = \frac{27}{x} [/tex]
b)
[tex] \frac{x}{12} = \frac{75}{x} [/tex]
c)
[tex] \frac{ - 18}{x} = \frac{ - x}{98} [/tex]
d)
[tex] \frac{24}{ - x} = \frac{ - x}{54} [/tex]
e)
[tex] \frac{2x}{9} = \frac{50}{x} [/tex]
f)
[tex] \frac{2x}{45} = \frac{18}{5x} [/tex]