Question

calcule  x:

x+8x+12=0

Answer 1

x+8x+12= 0
 9x=-12 x= 12/9
 x=4/3
 ou x= 1,33 

Answer 2

$x+8x+12=0$
$9x=-12$
$x= \frac{-12}{9}$
$\boxed{x=-1,3}~~aproximadamente$