👤

Stiind ca x=5 si y+z=14 calculati ;a)x+2y+2z;b)5x+3y+3z.......Va rog ajutatima rapid!!

Răspuns :

[tex]a)x+2y+2z=x+2(y+z)\\ 5+2*14=\ \textgreater \ 5+28=33\\\\ b)5x+3y+3z=5x+3(y+z)\\ 5*5+3*14=\ \textgreater \ 25+42=67[/tex]