Question

Решите уравнение (x+0,75):2/1/4=3/1/9;1/3/4

Answer 1

(х+0.75):21/4=31/9: 13/4
(х+0.75):8=27:4/3
(х+0.75):8=27*34
х+0.75=20.25*8
х=162-0.75
х=161,25