Answer:
7y + 3 = 3x + 11
7y = 3x + 11 - 3
7y = 3x + 8
y = 3x + 8 / 7
7y + 3 - 11 = 3x
7y - 8 = 3x
x = 7y - 8 / 3
the answer is 9.24*10^18
hope it helps!
The possible ways Daniel line up his rock collection are {2, 3, 6 and 9}.