bonjour,
est-ce bon ?
a) ((x-3)/2) + 2 <= (1/6) - (( 3x-1)/2)
2x-6+2<=(1/6)-6x-2
2x-6+2-((1/6)-6x-2)<=0
2x-6+2-(1/6)+6x+2<=0
8x-2-(1/6)=<0
8x-(12/6)-(1/6)<=0
8x-(13/6)<=0
donc ((x-3)/2) + 2 <= (1/6) - (( 3x-1)/2) si 8x-(13/6)<=0
on cherche quand 8x-(13/6)=0 ==> 8x=13/6
x=13/(6*8)
x=13/48
