55+added=133
added=amount addeed per week times 6=6x
55+6x=133
minus 55 both sides
6x=78
divide both sides by 6
x=13
add 13 per week
y=13x+55
Jajahajaiahsvnsjajasnannanananannanakakqkehehsbnanakw
John has 3 apples because johns apple plus the two apples jim gave him equals three