Répondre :
-5x + 2 = 9x - 6
-5x - 9x = -6 -2
-14x = -8
x = -8/-14
x = 8/14
-5x - 9x = -6 -2
-14x = -8
x = -8/-14
x = 8/14
[tex]bonsoir\\\\- 5 x + 2 = - 9 x - 6 \\- 5 x + 9 x = - 6 - 2\\4 x = - 8 \\x = - 2[/tex]
bonne soirée