Solve 0 = 5*u - 5*i + 40, -9 = -2*u - 3*i for u.

-3

Solve -2*z + 5*u = -19, 2*u + 2 = 3*z - 10 for z.

2

Solve 2*w + 6 = -u, 0*u - 2 = -w - 3*u for w.

-4

Solve -29 = 3*d - 5*a, 2*d + 10 = 2*a - a for d.

-3

Solve t + 2*h = 1, -5 = 5*t + h + 17 for t.

-5

Solve 0 = 2*l + 3*j - 13, -j - j + 16 = 5*l for l.

2

Solve 2*h + 6*c = 3*c - 4, -h - c - 2 = 0 for h.

-2

Solve -2*z + 13 = -2*i + i, 0 = -5*z + i + 28 for z.

5

Solve 4*v = -5*p - 3, -2*p + 6 = -v + 2 for v.

-2

Solve -3*r = 3*v - 5 + 2, 0 = -3*r - 5*v - 3 for r.

4