bonjour
6 x + 7 = 22
6 x = 22 - 7
6 x = 15
x = 15/6 = 5/2
73 - 8 x = 65
- 8 x = 65 - 73
- 8 x = - 8
x = 1
53/ x = 26.5
26.5 x = 53
x = 2
