Răspuns :
|4x-1|=9
1. 4x-1= -9
4x= -9+1
4x= -8
x= -8:4
x= -2
2. 4x-1=9
4x=9+1
4x=10
x=10/4
x=5/2
S={ -2,5/2}
Cea mai mica solutie a ecuatiei |4x-1|=9 este -2.
|4x-1|=9
1. 4x-1= -9
4x= -9+1
4x= -8
x= -8:4
x= -2
2. 4x-1=9
4x=9+1
4x=10
x=10/4
x=5/2
S={ -2,5/2}
Cea mai mica solutie a ecuatiei |4x-1|=9 este -2.