Question

Daca 5a+3b+4c=9,012 şi 4a+2b+3c=8,023,atunci calculati a+b+c​ va roggg dau coroana

Answer 1

 

$\displaystyle\bf\\5a+3b+4c=9,012\\4a+2b+3c=8,023\\......................................~~~(Din~prima~ecuatie~Scadem~a~doua~ecuatie.)\\~a~+~~b~+~c=0,989\\\\Raspuns~final:\\\\\boxed{\bf a+b+c=0,989}$