Răspuns :
Răspuns:
Explicație pas cu pas:
[tex]\bf a +b = 33~~\bigg|\cdot 3[/tex]
[tex]\bf a+c=11 ~~\bigg|\cdot 2[/tex]
[tex]\it~~[/tex]
[tex]\bf 3a +3b = 99[/tex]
[tex]\bf \underline{~2a+2c=22~~~~~~~~~~}(~+~)[/tex]
[tex]\bf 3a +3b+2a+2c = 99+22[/tex]
[tex]\grenn{\boxed{~\bf 5a +3b+2c = 121~}}[/tex]