3 This is her TV
4 This is them radio
5 This is my lamp
6 This is her bed
7 This is them TV
8 This is his radio
9 This is them lamp
10 This is his bed
X(4-9x)=0
x1=0 4-9x=0
-9x=-4
x=4\9
406099, 743679, 436999, 70500
89358 : 281 =318
91653 : 223=411
215292: 132=1631