[tex]- \frac{5}{8x} + \frac{7}{4} =0[/tex]
[tex]- \frac{5}{8x} =- \frac{7}{4} |*(-1)[/tex] ⇒[tex] \frac{5}{8x} = \frac{7}{4} [/tex]⇒[tex]8*7x=5*4 [/tex]⇒ [tex]x= \frac{20}{56} = \frac{5}{14} =0,35[/tex]
[tex] \frac{14}{5} + \frac{9}{4} x= \frac{14}{4} [/tex]⇒[tex] \frac{9}{4} x= \frac{7}{2} - \frac{14}{5} [/tex]⇒[tex] x= \frac{7*5-14*2}{10} * \frac{4}{9} = \frac{35-28}{5} * \frac{2}{9} = \frac{7*2}{5*9}= \frac{14}{45} =0,31[/tex]
