Răspunsuri

2014-02-04T13:38:56+02:00
X+3x=14/3
4x=14/3.

Ca sa aducem la un numitor comun amplificam 4x cu 3

12x=14
x=14/12. Simplificam prin 2

x=7/6
2014-02-04T13:56:10+02:00
A + 3a=14/3 => 4a=14/3 <=> a= 14/3 :4 => a=14/3 x 1/4 => a= 14/12 => a=7/6 :D