Solve 0 - 1 = -3*z - 4*v, z - 1 = -v for z.

3

Solve 3*u = -t + 6, u + 149 = -3*t + 135 for u.

4

Solve -20 = 5*k - p, 44*k - 5 = 47*k - 2*p for k.

-5

Solve 3*r - 4*f = 16, 20 = -5*r - 10*f + 5*f for r.

0

Solve k = -4*v + 4 + 19, 17 = v + 4*k for v.

5

Solve 3 = 6*m - m - 4*j, -m - 11 = 5*j for m.

-1

Solve -5*t - 10 = 0, a + 1 + 4 = -t for a.

-3

Solve -6*q + c = -3*q - 6, -q = 5*c + 14 for q.

1

Solve -2*s = 2*k - 2, -5*s + 19 = 4*k + 18 for k.

4

Solve 0 = -4*f + n - 11, -f - 3*n + 12 = -6*f for f.

-3