Răspuns :
Răspuns:
7x-14=0
7x=14
X=14:7
X=2
2x+4=-10
2x=-10-4
2x=-14
X=-14:2
X=-7
11=2x+3
2x+3=11
2x=11-3
2x=8
X=8:2
X=4
5x+17=2
5x=2-17
5x=-15
X=-15:5
X=-3
Răspuns:
7x-14=0
7x=14
X=14:7
X=2
2x+4=-10
2x=-10-4
2x=-14
X=-14:2
X=-7
11=2x+3
2x+3=11
2x=11-3
2x=8
X=8:2
X=4
5x+17=2
5x=2-17
5x=-15
X=-15:5
X=-3