Solve -o + 16 = -v - 3*v, 0 = 4*o + v + 21 for o.

-4

Solve -5*c - 23 = 3*d - 0*c, d + 2*c + 9 = 0 for d.

-1

Solve -5 = 4*r + 3*u - 8*u, 3*u - 20 = -r for r.

5

Solve -13*a + 12*a + 5*t - 10 = 0, a - t + 6 = 0 for a.

-5

Solve 3*b + 2*d + 2*d = -15, 0 = d for b.

-5

Solve -5*y = 5*q + 10, -14*y = -19*y - 3*q - 8 for y.

-1

Solve -20 = -4*a, 2*v + 3*a = 8*a - 17 for v.

4

Solve 3*a + 3*n + 3 = -0, -8 = -2*n for a.

-5

Solve -v + 3*q = -11 + 4, -5*v = -3*q - 11 for v.

1

Solve 5*p - 2*p = -2*h - 17, -3*p = h + 13 for p.

-3