42-х/82х*42(-х-1)=4-х-3*16-х

Question

42-х/82х*42(-х-1)=4-х-3*16-х

Answer 1

42-х/82х*42(-х-1)=4-х-3*16-х
42-x/82х*(-42х)*(-42)=4-2х-48
42+0.5х*(-42)=-44-2х
-21х+2х=-44-42
-19х=-86
х=86/19
х=4 целых 10/19