Question

resolva as seguites equações na variavesX,sendoU=R (a) X/6+X/4=-5​

Answer 1

$\frac{x}{6}+\frac{x}{4}=-5$

$\frac{2x}{12}+\frac{3x}{12}=-5$

$\frac{5x}{12}=-5$

$5x=-5\cdot 12$

$5x=-60$

$x=-\frac{60}{5}$

$\boxed{x=-12}$