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-9x>-51/:(-9)
x<-5,6(6)
2)(x-3)(7-5x)+3-11x<5(x-1)(x+3)+12x
-33x<-6/:(-6)
x>(-5,5)
2(1-x)-3(x-9)>4(x+1)-20
2-2x-3x+27>4x+4-20
29-5x>4x-16 /+16
45-5x>4x /+5x
45>9x /:9
5>x
Cyfry ktore nie spelniaja: 5,6,7,8,9
2)
(x-3)(7-5x)+3-11x<-5(x-1)(x+3)+12x
7x-5x²-21+15x+3-11x<-5(x²+3x-x-3)+12x
11x-5x²+18<-5x²-15x+5x+15+12x
11x+18<2x+15 /-2x
9x+18<15/-18
9x<-3 /:9
x<-1/3