Solve -4*i + 12 = 4*q, -2*q = -2*i + 7*i - 6 for q.
3
Solve r = 1, -5*t - 5*r - 54 = -39 for t.
-4
Solve 4*t = 2*t - 2*y - 12, -5*t - 2*y = 24 for t.
-4
Solve -3 = -u - i, u + 3*i - 1 - 10 = 0 for u.
-1
Solve 0*u - 5 = 3*z - u, z + 3*u - 5 = 0 for z.
-1
Solve -4*c + 7*c = -j - 20, -2*j = -3*c - 5 for c.
-5
Solve -2*m - 8 = -4*z - 0, -4*m + 11 = z for m.
2
Solve -3*r - 2*a + 9 - 18 = 0, 0 = 4*r - 3*a + 12 for r.
-3
Solve -2 = -2*z + 2*r, -3*z + 5*r - 2 = -3 for z.
2
Solve -2*p + w = -0*p - 7, -p - 2 = 5*w for p.
3