Question

Al resolver a/3-1/2-2/3 a= 5/3-a/2

a)a=17 b)a=13
c)=-1 d)=-9

Answer 1

Corrigiendo el problema
$\frac{a}{3}- \frac{1}{2}- \frac{2}{3}a = \frac{5}{3}- \frac{a}{2} \\ \frac{a}{3}+ \frac{a}{2}- \frac{2a}{3}= \frac{5}{3} + \frac{1}{2} \\ \frac{a}{6} = \frac{13}{6}$
=> a = 13
PROPIEDAD A USAR :
$\frac{a}{b} + \frac{c}{d} = \frac{ad + bc}{bd}$