1.-80%(-2) (=,<,>) 120/3
2.-1750%70 (=,<,>) -1008/48
3.240/-80 (=,<,>) -150/50
4.675/-45 (=,<,>) 865/-51
5.-3755%x= -15
7.x%(-17)=-35
Since these are all similar, I'll do one and you can come on back if you get stuck or just want confirmation of your answers.
675/-45 (=,<,>) 865/-51
-15 (=,<,>) -16.96
-15 > -16.96