Me identify the property for each of
1. if m< 1 = m< 2, and m< 2=m< 3, then m< 1=m< 3
2. xy=xy
3. if 5=x, then x=5
4. if 2x+5=11, then 2x=6
5. if a+10 =20,then a=10
6. if (x)/(3)= -15, then x=-45
7. if 4x-5=x+12,then 4x = x+17
8. if (1)/(5)bc = (1)/(5)de, then bc = de
9. if 5(x+7)= -3, then 5x+35 =-3
10. if m< 1=25 and m< 2=25, then m< 1=m< 2
11. if ab = bc and bc= cd, then ab = cd
12. if 3(x-(2)/(3))=4, then 3x-2=4