Solve 2*u + 3*u = 4*d + 16, 4*d - 20 = -4*u for u.
4
Solve -2*p = -3*q + 16, -30 = -5*q + 3*p + p for q.
2
Solve 3*v + 5*h + 11 = 0, -2*v - 7 = h - 2 for v.
-2
Solve 0 = 2*x - 7*r + 12*r + 5, -2*r - 2 = 0 for x.
0
Solve c + 2*i + 41 = 42, 0 = 4*c + 3*i + 1 for c.
-1
Solve -d + 2 - 3 = 2*w, -d = -3*w - 4 for d.
1
Solve -3*i + w = 11, -w = 4*i - 0*w + 10 for i.
-3
Solve 16 = 4*w - 2*w + 4*m, -3*m - 6 = -3*w for w.
4
Solve -5*a - 5 = 5*q, 0 = 5*a + 7*q - 4*q + 7 for a.
-2
Solve s = -2*h - 2*s, 2*h - 4*s = 0 for h.
0