Question

x-3(x-2)=18+2(5x-0,4)-4,2x

Answer 1

х-3х+6=18+10х-0,8-4,2х
-2х+6=17,2+5,8х
-7,8х=11,2
х=11,2:(-7,8)
х= -1 $\frac{34}{78}$

Answer 2

х-3х+6=18+10х-0,8-4,2х
х-3х+6-18-10х+0,8+4,2х
-7,8х-11,2
-7,8х=11,2
х= - 56/39