Răspuns :
Răspuns:
1) 7x=21
x=21:7
x=3
2) 9x=3
x=9:3
x=3
3) 5x-2/3=0
5x=2/3+0
5x=2/3
x=2/3:5
x=
Răspuns:
1. 7x=21
x=21:7
x=3
2. 9x=3
x=3:9
x=0,(3)
3. 5x-2/3=0
5x=0+2/3
5x=0,(6)
x=0,(6):5
x=1,(3)
Răspuns:
1) 7x=21
x=21:7
x=3
2) 9x=3
x=9:3
x=3
3) 5x-2/3=0
5x=2/3+0
5x=2/3
x=2/3:5
x=
Răspuns:
1. 7x=21
x=21:7
x=3
2. 9x=3
x=3:9
x=0,(3)
3. 5x-2/3=0
5x=0+2/3
5x=0,(6)
x=0,(6):5
x=1,(3)