Solve 0 = 5*z + 3*b - 47, 2*b + 20 = 3*z + 7 for z.

7

Solve -2*r + 5 = 2*m + 1, m - 12 = 4*r for m.

4

Solve 6*o - o - 20 = s, -4 = -o - 2*s for o.

4

Solve 4*x - 5*d = -2 - 9, 0 = x - 4*d + 11 for x.

1

Solve 5*w - 5*l + 45 = 0, -3*w - 6*l + 3 = -3*l for w.

-4

Solve -z - 5*h - 18 = -10*h, 3*h + 3 = -4*z for z.

-3

Solve 3*k = -5*n + 25, 2*k = -n - k + 5 for n.

5

Solve y + 2 = -m, -5*y + m = -2*m - 30 for y.

3

Solve -4*v + k = -1, v = -4*v + k for v.

-1

Solve u + 2*l = 3, -3*u = 3*l + 2 + 1 for u.

-5