-12X3/4x=-9x
-12X2=-24
-24dividedby-9=-2.6666666667
ANSWER= -2.67
then for the other side of the first problem-
45+3=48
-5X3x=-15x
-5X-7=35
35dividedby-15=-2.333333333
ANSWER= -2.3
HOPE THIS HELPS