résoudre les équations: a) 4-3 x=10-6x b) 3(2x+2)=3x-6

a) 4-3 x=10-6x
4-10=-6x+3x
-6=-3x
x=-6/-3=2

b) 3(2x+2)=3x-6
6x+6=3x-6
6x-3x=-6-6
3x=-12
x=-12/3=-4

4 - 3x = 10 - 6x
- 3x + 6x = 10 - 4
3x = 6
x = 6/3
x = 2

3(2x + 2) = 3x - 6
6x + 6 = 3x - 6
6x - 3x = - 6 - 6
3x = - 12
x = - 12/3
x = - 4