Réponses

2014-04-08T20:06:27+02:00
2 (x + 3 ) - 1 / 4 x = 10 - 3 / 4 ( 2 - 8 / 3 x ) 
2x+6-1/4x =10 -6/4 +24/12x
2x-1/4x +6 = 10-6/4 +2x
2x-1/4x -2x +6-10+6/4 =0
-1/4x -4 +6/4 =0
-1/4x -24/4 +6/4 =0
-1/4 x-18/4 =0
-1/4 x -9/2  =0
1/4x = 9/2
x =9/2*4
x = 36/2
x =18