[tex]Salutare \\\frac{x-7}{6} = \frac{9}{2} \\( x - 7 ) X 2 = 6 X 9 \\( x - 7 ) X 2 = 54 \\x - 7 = \frac{54}{2} \\x - 7 = 27 => x = 20 \\Succes !\\#Albert1001[/tex]
