Question

Daca fractiile x+3 totul supra 5si 19 supra 25 sunt echivalente , atunci x este

Answer 1

[tex] \frac{x+3}{5} = \frac{19}{25} =\ \textgreater \ x+3= \frac{19*5}{25} =\ \textgreater \ x+3= \frac{95}{25} =\ \textgreater \ 25x+75=95\\\\ =\ \textgreater \ 25x=95-75=\ \textgreater \ 25x=20=\ \textgreater \ x= \frac{20}{25} =\ \textgreater \ x= \frac{4}{5} [/tex]