Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m?

1.) -15m = -4m
2.) -7m - 8 = m - 4
3.) -3m - 8 = 4 - m
4.) m - 4 = -7m - 8
5.) -8 - 7m = -4 + m
6.) -8 - 3m = 4 - m
****MULTIPLE CHOICE ANSWER # ALL THAT APPLY!!!!