Each cupcake costs $4.00 how many cupcakes (x) are purchased if the total cost is $36.00
4 + x = 36
36 - x = 4
4 x = 36
x / 4 = 36 << divided is the /
4 + x = 36
36 - x = 4
4 x = 36
x / 4 = 36 << divided is the /