Răspuns:
notam a = prima parte , b= a doua parte
[tex]\frac{a}{3} =\frac{b}{7} +2[/tex] a+b=4.6
a= [tex]\frac{3b+21*2}{21}[/tex]
[tex]\frac{3b+42}{21}[/tex] +b= 4,6 aducem la acelasi numitor 21
3b+42+21b= 4,6*21
24b= 96,6-42
24b= 54,6 b= 54,6:24 b= 2,275
a= 4,6-2,275=2,325 a= 2,325
