3. If Leah is 6 years older than Sue and John is 5 years older than Leah, and the total of their ages is 41. Then how old is Sue?

This what I have so far:
L=s+6
J=L+5

S + L + J = 41

L + 5 = J

L - 6 = S

(L-6) + L + (L+5) = 41

Solve for L, then S and J.