Question

Selesaikan pertidaksamaan nilai mutlak berikut
A.|3x+4|<8
B.|x-1|<2
C.|3x-5|>1
D.|3x+4|<8
E.|2x-5|
F.|4x-1|+3>16

PAKE CARANYA YA !!!

Answer 1

A dn D sama
E dn F nggk tw

a. -8 > 3x+4 > 8
= -8-4 > 3x+4-4 > 8-4
= -12 > 3x > 4
= -12/3 > x > 4/3
= -9 > x > 4/3

b. -2 > x-1 > 2
= -2+1 > x-1+1 > 2-1
= -1 > x > 3

c. -1 < 3x-5 < 1
= -1+5 < 3x-5+5 < 1+5
=4 < 3x < 6
= 4/3 < x < 6/3
= 4/3 < x < 2

maaf klw salah