Réponses

2013-11-13T09:58:31+01:00
On a:

5-(4-3x)/6 - (x+1))/3 + 2 = 0

-(4-3x)/6 - (x+1)/3 = -7

(-4+3x)/6 - (2x+2)/6 = -7

(-4+3x-2x-2)/6 = -7

(x-6)/6 = -7

x = -36




2013-11-13T12:50:01+01:00

5-(4-3x)/6 - (x+1))/3 + 2 = 0

-(4-3x)/6 - (x+1)/3 = -7

(-4+3x)/6 - (2x+2)/6 = -7

(-4+3x-2x-2)/6 = -7

(x-6)/6 = -7

x = -36