Question

Решите уравнение плиз)

Answer 1

(1.8х-2.4)/(1/3-1/4)=(0,2х+0,8)/(1/8-1/7)
(9х/5-12/5)/(1/12)=(х/5+4/5)/(-1/56)
12(9х/5-12/5)=-56(х/5+4/5)
12(9х-12)=-56(х+4)
3(9х-12)=-14(х+4)
27х-36+14х+56=0
41х=-20
х=-20/41