Aidez moi pour le 7 silvouplait les ami

7)

4x - 12 = 0
4x = 12
x = 12/4
x = 3

4x + 1 = 0
4x = - 1
x = - 1/4

2x - 3 = 0
2x = 3
x = 3/2
x = 1,5

2 - 3x = 0
- 3x = - 2
x = 2/3

[tex]4x - 12 = 0 \\ 4x = 12 \\ x = \frac{12}{4} \\ x = 3[/tex]

[tex]4x + 1 = 0 \\ 4x = - 1 \\ x = - \frac{1}{4} [/tex]

[tex]2x - 3 = 0 \\ 2x = 3 \\ x = \frac{3}{2} [/tex]

[tex]2 - 3x = 0 \\ - 3x = - 2 \\ x = \frac{2}{3} [/tex]