Inéquations réductibles au premier degré
Série 2

Résoudre

ex[1]=((x-1)/(3-x)≤(1-x)/(x-2));
ex[2]=((3-8x)/(3x+1)>1);
ex[3]=(x^2 /(x+3)≥x);
ex[4]=((2x^2-1)/(x+3)>(2x));
ex[5]=((2x+7)/(2x-1)≥(x+1)/(x-1));
ex[6]=( (4x^2-1)/(2x)≥2x+1);
ex[7]=(-2/(x+2)≤3);
ex[8]=((x+1)/(x-3)>(1-x)/(x));
ex[9]=( (1-4x)/x ≤5);
ex[10]=( -3≥ (x-2)/(x+1));
Do[Print[i,") ",ex[i]],{i,10}]

Solutions:

Do[sol[i]=Ensemble[ex[i],x];
Print[i," ) S = ",sol[i]],{i,10}]