Bonjour
x + 8 = 5
x = 5 - 8
x = - 2
x + 3 = 7
x = 7 - 3
x = 4
x - 36 = 60
x = 60 + 36
x = 96
5x = 20
x = 20/5
x = 4
6x = - 42
x = - 42/6
x = - 7
- 7x = 49
x = - 49/7
x = - 7
6x + 1 = 5
6x = 5 - 1
6x = 4
x = 4/6
x = 2/3
5x + 6 = 11
5x = 11 - 6
5x = 5
x = 5/5
x = 1
3x - 5 = - 2
3x = - 2 + 5
3x = 3
x = 3/3
x = 1
4x - 2 = 2x + 6
4x - 2x = 6 + 2
2x = 8
x = 8/2
x = 4
3x + 1 = 2x + 5
3x - 2x = 5 - 1
x = 4
3x - 4 = 2 - x
3x + x = 2 + 4
4x = 6
x = 6/4
x = 3/2.