Solve -4*u - d - 9 = 16, -5*d = -4*u + 5 for u.

-5

Solve -2*h - 2 = 0, 3*n = 5*h + 20 - 0 for n.

5

Solve -5*r + 23 = 3*q, r - 3*q + 2 = 3 for r.

4

Solve -o + 3*c = o, -o - 5 = c for o.

-3

Solve 4*n + 18 = 6, -3*f - n = 0 for f.

1

Solve 0 = -2*x + 3*l, l - 8 - 9 = -5*x for x.

3

Solve 2*g - 12 = -2*r, -g - 15 + 20 = 0 for r.

1

Solve 30 = 5*s - 3*l + 34, -4 = -2*s + 4*l for s.

-2

Solve 3 = u - 2*a, -9 = -u - 30*a + 35*a for u.

-1

Solve -6*n + 10*n - x = 24, -n = 3*x + 7 for n.

5