[tex]bonjour\\\\\\x /4 = 11 \\x = 44 \\\\\\x /3 = - 7 \\x = - 21 \\\\2 y + 3 = - 9 \\2 y = - 9 - 3 \\2 y = - 12 \\y = - 6\\\\\\5 a - 1 = - 2 a + 34\\5 a + 2 a = 34 + 1 \\7 a = 35\\a = 5 \\\\\\3 x - 5 = x+ 3 \\3 x - x = 3 + 5 \\2 x = 8 \\x = 4 \\\\\\5 x - 35 = - 6 + 2 x \\5 x - 2 x = - 6 + 35\\3 x = 29\\x = 29/3 \\\\6x^{2} - x + 18 x - 3 = 6 x^{2} + 2 x - 9 x - 3 \\6 x^{2} - 6 x^{2} - x + 18 x - 2 x + 9 x = - 3 + 3 \\25 x = 0\\x = 0 \\\\[/tex]
