Question

Me ajudem equação de fração

Answer 1

$\frac{6}{x+2} = \frac{3}{x} - \frac{9}{x}\\ \\\frac{6}{x+2} =\frac{3-9}{x}\\ \\\frac{6}{x+2}=  \frac{-6}{x} \\\\6=\frac{-6}{x}\cdot  \frac{x+2}{1} \\\\6=\frac{-6x-12}{x} \\\\6x=-6x-12\\\\6x+6x=-12\\\\12x=-12\\\\x=\frac{-12}{12}\\ \\x=-1$