Dosc pilne
Rozwiaz:
a)20x+5<0
b)35x-4x+2>
c)-21x<4
d)2 1/2x+3(x+5)> -20+3 2/4x
a) 20x<-5
x<-1/4
b) 31x>-2
x>-2/31
c)x>-4/21
d) 2,5x + 3x + 15 > -20 + 3,5x
2x>-35
x>-17,5
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a) 20x<-5
x<-1/4
b) 31x>-2
x>-2/31
c)x>-4/21
d) 2,5x + 3x + 15 > -20 + 3,5x
2x>-35
x>-17,5