Răspuns :
Răspuns:
[tex]c=caiete\\s=stilouri[/tex]
[tex]2s+3c=23 =>2s=3c-23[/tex]
[tex]5c+2s=29=>5c+(23-3c)=29=>2c=6=>c=3lei[/tex]
[tex]5*3+2s=29=>15+2s=29=>2s=14=>s=7lei[/tex]
Răspuns:
[tex]c=caiete\\s=stilouri[/tex]
[tex]2s+3c=23 =>2s=3c-23[/tex]
[tex]5c+2s=29=>5c+(23-3c)=29=>2c=6=>c=3lei[/tex]
[tex]5*3+2s=29=>15+2s=29=>2s=14=>s=7lei[/tex]