Solve -19*s + 16*s + z + 10 = 0, -2*s + 4*z = 0 for s.

4

Solve 0 = -k - 4*t + 12, 6*t - t = 5*k + 40 for k.

-4

Solve n - 2*i = -3, -5*i = n + 3*n - 27 for n.

3

Solve 19 = 3*u - 5*u - 5*g, -u - 4*g - 14 = 0 for u.

-2

Solve 2*o - 2*r + 52 - 66 = 0, -29 = -2*o + 5*r for o.

2

Solve -3*v + 35 = 4*h, -2*h + 0 = v - 15 for v.

5

Solve -4*b - 4*g = 12, 4*g + 4 = -0 for b.

-2

Solve -16 = -4*n, i + 3*i - 5*n = -40 for i.

-5

Solve -5*c - 4*s = -37, 5*s - 9 - 11 = -c for c.

5

Solve 4*m + 2 = 3*s, 2*m - 109 = -5*s - 123 for s.

-2