Question

resolva a seguinte equações a)x-x=3 4 6

Answer 1

Resolvendo : 

$\frac{x}{4} - \frac{x}{6} =3\ \ \ \ \ \ \ \ \ (mmc\ de\ 4\ e\ 6\ =\ 12,\ multiplico\ todos\ por\ 12)\\\\\\ \frac{12x}{4} - \frac{12x}{6} =12.3\\\\\\3x-2x=36\\\\\\\boxed{\boxed{\ x=36\ }}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ok$