Question

x-2/3 - x-3/4 = x-4/5
ayuden TvT

Answer 1

Respuesta:

X-(2/3) - x-(3/4) = x-(4/5) ; m.c.m( 3,4,5) = 60

60(X)-60(2/3)-60(X)-60(3/4) = 60(X)-60(4/5)

60x-20(2)-60X -15(3) = 60X-12(4)

60X-40-6X -45 = 60X-48

-40-45 = 60X-48

-85 = 60X-48

-85+48 = 60X-48+48

-37 = 60X

-37/60 = 60X/60

-37/60 = X

X = -37/60

Explicación paso a paso: