Solve -3*r = 4*t + 4, -3*t = -5*r + 18 + 14 for r.

4

Solve -4*c + q - 15 - 1 = 0, 17 = -5*c + 2*q for c.

-5

Solve -3*f - 9 = -8*f - 4*g, 0 = 2*f - 5*g - 30 for f.

5

Solve -k - 4 = -q, -q + 3*q + k = -4 for q.

0

Solve 0 = -u - t - 4 + 1, -7 = 4*u + 9*t for u.

-4

Solve -7*u + 2*h + 6 = -8*u, 4*u + 2*h - 6 = 0 for u.

4

Solve 0 = -4*x + 20, -4*x + 27 = -z + 8 for z.

1

Solve 4*j - l = -11, -4*l - 12 = -3*j - 30 for j.

-2

Solve 3*k = 5*h - 3 - 14, -4*h = 4*k - 20 for h.

4

Solve -5*u - 20 = -3*i, 0 = -i + 6*i + u - 24 for i.

5