Răspuns :
1.
6(x-2)=4
6x - 12 = 4
6x = 4 + 12
6x = 16
x = 16 :6
x = 2,(6)
2.
4(x+9)=6
4x + 36 = 6
4x = 6 - 36
4x = - 30
x = - 30 : 4
x = - 7,5
6(x-2)=4
6x - 12 = 4
6x = 4 + 12
6x = 16
x = 16 :6
x = 2,(6)
2.
4(x+9)=6
4x + 36 = 6
4x = 6 - 36
4x = - 30
x = - 30 : 4
x = - 7,5
1.
6(x-2)=4 :2
3(x -2) = 2
3x-6=2
3x=8
x=8:3
x = 2,(6)
2.
4(x+9)=6 :2
2(x + 9) = 3
x+9=3:2
x=1,5-9
x=-7,5
6(x-2)=4 :2
3(x -2) = 2
3x-6=2
3x=8
x=8:3
x = 2,(6)
2.
4(x+9)=6 :2
2(x + 9) = 3
x+9=3:2
x=1,5-9
x=-7,5