Sagot :
4x = 12
x = 12/4 ou 3
6+x = 12
x = 12-6
x = 6
2x +4 = 14
2x = 14-4
2x = 10
x= 5
3x+2 = 2+10
3x = 2+10-2
3x = 10
x = 10/3
Coucou!!!!
4x = 12
x = 12 : 4
x = 3
6+x = 12
x = 12-6
x = 6
2x+4=14
2x = 14-4
2x = 10
x = 10 : 2
x= 5
3x + 2 = 2+10
3x = 2+10-2
3x = 10
x = 10/3