Question

a) 3(2x +9)<15
b) 8x+6<5x-15
c) 2x- 8<7x +12
d) 14 -2 x < 40 -3 x
Va roggg , îmi trb pt azi va dau coroana !​

Answer 1

Răspuns:

a) 3(2x+9)<15 => 6x+27<15 => 6x<-12 => x<-2

b) 8x+6<5x -15=> 3x<-21 => x<-7

c) 2x-8<7x+12 => -5x < 20 => x>-4

d) 14-2x <40-3x => x<26