192:(5*x-3)-7:9=10005:10005

192:(5*x-3)-7:9=1

192:(5*x-3)-7=9*1

192:(5*x-3)-7=9

192:(5*x-3)=9+7

192:(5*x-3)=16

5*x-3=192:16

5*x-3=12

5*x=12+3

5*x=15

x=15:5

x=3