a)
14C = 182 where C is the cost per DVD
Divide both sides by 14
C = $13
b)
B - 14 = 53 where B is the number of bracelets she started with
Add 14 to both sides
B = 67
c)
56 + 11P = 100 where P is the points for each book
Suntract 56 from both sides
11P = 44
Divide both sides by 11
P = 4