Răspuns :
Aceasta este rezolvarea:[tex]x+ \frac{3}{15} = \frac{3}{5}=\ \textgreater \ x+ \frac{3}{15}= \frac{9}{15}=\ \textgreater \ x= \frac{9}{15}- \frac{3}{15}= \frac{6}{15}= \frac{2}{5}
Raspuns final: x= 2/5
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