Răspuns:
Explicație pas cu pas:
2[3|2x+1|-8]-5=9
caz 1
|2x+1|>=0
|2x+1|=2x+1
2[3(2x+1)-8]-5=9
2(6x+3-8)-5=9
2(6x-5)-5=9
12x-10-5=9
12x-15=9
12x=9+15
12x=24
x=24:12
x=2
caz 2
|2x+1|<0
2x+1|=-2x-1
2[3(-2x-1)-8]-5=9
2[-6x-3-8)-5=9
2(-6x-11)-5=9
-12x-22-5=9
-12x-27=9
-12x=9+27
-12x=36
x=36:(-12)
x=-3
