Bonjour
1 Résous chaque équation.
d. - 6x - 5 = 0
- 6x = 5
x = - 5/6
a. 8x + 3 = 0
8x = - 3
x = - 3/8
b. 2x - 9 = 0
2x = 9
x = 9/2
c. 49 - 7x = 0
- 7x = - 49
x = 49/7
x = 7
h. 20 - 4x = - 4
- 4x = - 4 - 20
- 4x = - 24
x = 24/4
x = 6
e. 5x + 12 = 3
5x = 3 - 12
5x = - 9
x = - 9/5
f. 10x + 1 = - 7
10x = - 7 - 1
10x = - 8
x = - 8/10
x = - 4/5
g. 9x - 2 = 6
9x = 6 + 2
9x = 8
x = 8/9.
