663) 6x-5(2x+8)>14+2x
6x-10x-40>14+2x
-4x-2x>14+40
-6x>54
x<-9<br>x ∈ (-∞;-9)
664) 5+x>3x-3(4x+5)
5+x>3x-12x-15
x-3x+12x>-15-5
10x>-20
x>-2
x ∈ (-2;+∞)
665) 3(3x-1)>2(5x-7)
9x-3>10x-14
9x-10x>-14+3
-x>-11
x<11<br>x ∈ (-∞;11)
666) 5(x+4)<2(4x-5)<br>5x+20<8x-10<br>5x-8x<-10-20<br>-3x<-30<br>x>10
x ∈ (10;+∞)
667) 3x-4(x+1)<8+5x<br>3x-4x-4<8+5x<br>-x-5x<8+4<br>-6x<12<br>x>-2
x ∈ (-2;+∞)
668) x+2<5x-2(x-3)<br>x+2<5x-2x+6<br>x+2x-5x<6-2<br>-2x<4<br>x>-2
x ∈ (-2;+∞)
669) 3(1-x)-(2-x)<=2<br>3-3x-2+x<=2<br>-2x<=2+2-3<br>-2x<=1<br>x>=-0.5
x ∈ [-0.5;+∞)
670) 4(x-1)-(9x-5)>=3
4x-4-9x+5>=3
-5x>=3-5+4
-5x>=2
x<=-0.4<br>x ∈ (-∞;-0.4]
671) 4(x+8)-7(x-1)<12<br>4x+32-7x+7<12<br>-3x<12-32-7<br>-3x<-27<br>x>9
x ∈ (9;+∞)
672) 3(x-2)-5(x+3)>27
3x-6-5x-15>27
-2x>27+15+6
x<-24<br>x ∈ (-∞;-24)
673) 5x-2(x-4)>=9x+23
5x-2x+8>=9x+23
3x-9x>=23-8-6
x>=15
x<=-2.5<br>x ∈ (-∞;-2.5]
674) 6x-3(x-1)<=2+5x<br>6x-3x+3<=2+5x<br>3x-5x<=2-3-2<br>x<=-1<br>x>=0.5
x ∈ [0.5;+∞)
675) 5-2x<=1-(x-2) <br>5-2x<=1-x+2 <br>-2x+x<=3-5 <br>-x<=-2 <br>x>=2
x ∈ [2;+∞)
676) 14-(4+2x)>1+x
14-4-2x>1+x
-2x-x>1-14+4
-3x>-9
x<3 <br>x ∈ (-∞;3)
677) 3-x<=1-7(x+1) <br>3-x<=1-7x-7 <br>-x+7x<=-6-3 <br>6x<=-9 <br>x<=-1.5 <br>x ∈ (-∞;-1.5]
678) 2-5(x-1)<=1+3x <br>2-5x+5<=1+3x <br>-5x-3x<=1-2-5 <br>-8x<=-6 <br>x>=0.75
x ∈ [0.75;+∞]
679) 11x-(3x+4)>9x-7
11x-3x-4>9x-7
7x-9x>-7+4
-2x>-3
x<1.5 <br>x ∈ (-∞;1.5)
680) 3+10x<5x-(1-x) <br>3+10x<5x-1+x <br>10x-5x-x<-1-3 <br>4x<-4 <br>x<-1 <br>x ∈ (-∞;-1)
681) 6-6(x-3)>=2(x+1)-10
6-6x+18>=2x+2-10
-6x-2x>=-8-24
-8x>=-32
x<=4 <br>x ∈ (-∞;4]
682) 5(x-1)+8<=1-3(x+2) <br>5x-5+8<=1-3x-6 <br>5x+3x<=-5+5-8 <br>8x<=-8 <br>x<=-1 <br>x ∈ (-∞;-1]
683) 2x-3(x+4)2x-3x-12-x-x<-12+12 <br>-2x<0 <br>x>0
x ∈ (0;+∞;)
684) x-5(x-4)>6x+20
x-5x+20>6x+20
-4x-6x>20-20
-10x>0
x<0 <br>x ∈ (-∞;0)
685) 3x+5>=9x-(5-2x)
3x+5>=9x-5+2x
3x-9x-2x>=-5-5
-8x>=-10
x<=1.25 <br>x ∈ (-∞;1.25]
686) 1-x<=6x-(3x-1) <br>1-x<=6x-3x+1 <br>-x-6x+3x<=+1-1 <br>-4x<=0 <br>x>=0
x ∈ [0;+∞)
687) 6-3x<19-(x-7) <br>6-3x<19-x+7 <br>-3x+x<26-6 <br>-2x<20 <br>x>-10
x ∈ (-10;+∞)
688) 17-(x+2)>12x-11
17-x-2>12x-11
-x-12x>-11-15
-13x>-26
x<2 <br>x ∈ (-∞;2)
689) 2x-3(x+1)>2+x
2x-3x-3>2+x
-x-x>2+3
-2x>5
x<-2.5 <br>x ∈ (-∞;-2.5)
690) 18-8(x-2)<10-4x <br>18-8x+16<10-4x <br>-4x<10-34 <br>-4x<-24 <br>x>6
x ∈ (6;+∞)
691) 10x-3(4-2x)>16+20x
10x-12+6x>16+20x
16x-20x>16+12
-4x>28
x<-7 <br>x ∈ (-∞;-7)
692) 3-5(2x+4)>=7-2x
3-10x-20>=7-2x
-10x+2x>=7+17
-8x>=24
x<=-3 <br>x ∈ (-∞;-3]
693) 19-7x<20-3(x-5) <br>19-7x<20-3x+15 <br>-7x+3x<35-19 <br>-4x<16 <br>x>-4
x ∈ (-4;+∞)