2y= -8 First you want to get Y by itself. What do you have to do to do that? You're going to Divide leaving it . 2Y = -8 /2 /2 The 2's cancel , leaving You just solving -8 divided by 2 . Which is leave y = -4
C. if 10x is the door she have to knock so the -30 is how much she will earn during the week and if she doesn't knock any then she will lose the whole $30 dollars . sorry i can't explain myself good but i think it is so