Réponses

2013-05-19T15:25:54+02:00

2/3y+1=2

2/3y = 2-1

2/3y = 1

y= 1 x 3/2

y = 3/2

y= 1,5

2013-05-19T15:27:03+02:00

2/3y +1 -1 = 2-1

2/3y = 1

2/3y x 3/2 = 1 x 3/2

y = 3/2