a) -1/2(6x-3) > 5/8(16+4x) //*8 -4(6x-3)>5(16+4x) -24x+12>80 +20x -44x>68 //:(-44) x<-68/44 x<15/11 b) x+5/4 (< - rowne jest) 7-x/6 x+5/4<=7-x/6 //*24 24x+30<=168- 4x 28x <= 138 x<= 138/28 x<=69/14 c) (2x-5)/5 - (3x+5)/10 <5 //*10 2(2x-5) -(3x+5) <50 4x-10-3x-5<50 x-15<50 x<65 d)4x/3+(2x-4)/4 < 1i 1/2x +5 //*12 16x+3(2x-4)<18x+60 16x+6x-24<18x+60 22x-24<18x+60 4x<84 x<21
a) /*8 -4(6x-3)>5(16+4x) -24x + 12 >80 + 20x -24x-20x>80-12 -44x>68 x< - 68/44 x< - 1 i 24/44 x< -1 i 6/11 B) / *12 12x+15 <=7 - 2x 12x+2x<= 7-15 14x <= -8 x<=-4/7 c) /*10 2(2x-5) -3x-5<2 4x-10-3x-5<2 x<2+15 x<17 d) /*12 16x+ 3(2x-4)<18x + 60 16x + 6x - 12 -18x <60 4x<60+12 4x<72 x<18