Question

Se stie ca 4x supra 3y= 5 supra 18
Care este valoarea numerelor x si y?.

Answer 1

$\frac{4x}{3y} = \frac{5}{18} =\ \textgreater \ 15y=72x | :15 =\ \textgreater \ y= \frac{72x}{15} =\ \textgreater \ y= \frac{24x}{5}$
x pe y devine:
$\frac{x}{ \frac{24x}{5} } =\ \textgreater \ x* \frac{5}{24x} = \frac{5}{24} ~deci~valoarea~x~pe~y~e~egal~cu~ \frac{5}{24}$
x=5, y=24