if a+b+c+d is 41, c+e+f+b is 36, c+e+a+d is 44, a+c+c is 38, and b+e+e is 27, what is d+d+b?

if a+b+c+d is 41, c+e+f+b is 36, c+e+a+d is 44, a+c+c is 38, and b+e+e is 27, what is d+d+b?