Solve 0 = 2*y + 18*d - 16*d, -2*d = -4*y for y.
0
Solve 0 = s - 3*t + 7, -2*s - 9 = 8*t - 9*t for s.
-4
Solve c = -2*q + 234 - 246, -4*c - 3 = -q for c.
-2
Solve w - 5*f - 3 = -6*f, 4 = 3*w + 2*f for w.
-2
Solve 3*p + 2 = 5*f, 4*f + p = -p + 6 for f.
1
Solve -2*y + 8 = 4*b + 14, -9 = 5*b + y for b.
-2
Solve -3*j = 4*z, 0 = -5*j - 5*z + 4*z + 17 for j.
4
Solve 4*r - u - 1 = -2*u, -5*r + 11 = -2*u for r.
1
Solve 2*k - 3*k + 3 = 2*p, 0 = -2*p - 2*k + 2 for p.
2
Solve -5*q + 3*j - 7 = 0, -6*q + 9*q = -2*j - 8 for q.
-2