bonjour
- 5 x /2 + 2 = 4/3 - 4 x
mettre au même dénominateur
- 15 x /6 + 12/6 = 8/6 - 24 x /6
- 15 x + 24 x = 8 - 12
9 x = - 3
x = - 3/9 = - 1 /3
x/8 = - 3 /7
7 x /56 = - 24/56
7 x = - 24
x = - 24 /7
x /4 = - 5
x /4 = - 20/4
x = - 20
- 5 + x = x /2
- 10 /2 + 2 x /2 = x / 2
2 x - x = 10
x = 10