Potrzebuję rozwiązać to jak naj szybciej:
(x+2)/(x-4)<3
/*(x-4)
x+2<3(x-4)
x+2<3x-12
x-3x<-12-2
-2x<-14 /:(-2)
x>7
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/*(x-4)
x+2<3(x-4)
x+2<3x-12
x-3x<-12-2
-2x<-14 /:(-2)
x>7