Réponses

2013-05-01T15:19:23+02:00

(X + 2) x 5 = 2X + 26

5X + 10 = 2X +26

5X -2X = 26 - 10

3X = 16

X = 16/3

X = (environ) 5.3

 

5.3 + 2= 7.3     7.3 x 5 = 36.5

5.3 x 2 =10.6    10.6 + 26 = 36.5

 

voili voilou =)