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7x - 5x < 10 +2
-2x < 12|: (-2)
x > -6
b)3x+2>9x-12
3x - 9x > -12 - 2
-6x > -14 |: (-6)
x < 2 2/6 = 2 1/3
c. 2(x+5)<-17
2x + 10 < -17
2x < -17 -10
2x < -27 |: 2
x > 13 1/2
d. 6(x-4)>-18
6x - 24 > -18
6x >-18 + 24
6x > 6|: 6
x > 1
e.5(x- 3)<4(x+6)
5x - 15 < 4x + 24
5x - 4x < 24 + 15
-1x < 39 |: (-1)
x > -39
f. 6(x-3)>-7(x+1)
6x - 18 > -7x - 7
6x + 7x > -7 + 18
13x > 11 |: (-18)
x < -11/18
g.x<-2,1+0,3x
x - 0,3x < -2,1
-0,2x < -2,1 |: (-0,2)
x > 10,5
h. 0,09x+0,1(x+200)>77
0,09x + 0,1 x + 20 >77
0,09 x + 0,1 x > 77 - 20
0,19x > 57 |: 0,19
x > 300
i.2(x+1)+3(2+x)>-12
2x + 2 + 6 + 3x > -12
2x + 3x > -12 - 6 - 2
5x > -20 |: 5
x < -4
j.4(x-5)-2(x-1)<13
4x - 20 - 2x + 2 < 13
4x - 2x < 13 - 2 + 20
2x < 31 |: 2
x <15,5
k.3(x-4)<-24-2(x+3)
3x - 12 < -24 - 2x - 6
3x + 2x < -6 - 24 + 12
5x < -18 |: 6
x > -3
l.5(x+1)>- -9+3(x-1)
5x + 5 > -9 + 3x - 3
5x + 3x > -3 - 9 - 5
8x > -17 |: 8
x < -2 1/6
n. x+ 1/3+x+2 /4>1 /12 | * 12
12 * x + 1/3 + x + 2/4 > 12*1/12
3x + 3*1/3 + 3x + 6 > 1
3x + 1 + 3x + 6 > 1
3x + 3x > 1 - 6 - 1
6x > -6 |: 6
x < -1