Solve 1 - 29 = 5*u - 2*n, 0 = 3*u + 4*n - 4 for u.

-4

Solve -5*z + 2*z - 9 = 3*r, z + 7 = -5*r for z.

-2

Solve 0 = -2*r + 4*a - 2, 0 = 11*r - 6*r + 2*a - 19 for r.

3

Solve -5 = -4*p + 7*m - 2*m, 3*p - 3*m = 0 for p.

-5

Solve -2*s = -4*r - 4, -5*s - 2 = 2*r - 3*s for r.

-1

Solve -n + r = 4, r - 23 = 3*n - 15 for n.

-2

Solve 21*w + 3 = -3*q + 19*w, -2*w = -2*q + 8 for q.

1

Solve -o + 3*y - 3 = 0, -y = -5*o + y - 2 for o.

0

Solve r + 2*c = 15 - 13, -c + 1 = -4*r for r.

0

Solve -4*l - 4*i = 8 + 4, 4*i = -5*l - 14 for l.

-2