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-4x -20 >3x -6
-7x > 14 /: (-7)
x < -2
a) 0,,5x +6 <x
- 0,5x < -6 /: -0,5
x> 12
0,5x-x<-6
-0,5x<-6 /:(-0,5)
x>12
b) -4(x+5)>3x-6
-4x-20>3x-6
-4x-3x>-6+20
-7x>14 /:(-7)
x<-2