Alice & Phillis share some stickers. Alice has 5/7 as many stickers as Phyllis. Phyllis has 92 more stickers than Alice. How many stickers does Alice have?

a = 5 p/7

p = a + 92
so
a = 5(a+92)/7

7 a = 5 a + 460

2 a = 460

a = 230