10(0,1x+1)-(2x+1)=15

Question

10(0,1x+1)-(2x+1)=15

Answer 1

10*(0,1х+1)-(2х+1)=15
х+10-2х-1=15
-х+9=15
-х=15-9
-х=6
х= - 6

Answer 2

Х+10-2х-1=15
9-х=15
х = -6