Solve u - 4*z = 11, 2*z - 14 = -4*u - 42 for u.

Solve -4*v + 6*w - 1 = 7*w, -4*w - 4 = 4*v for v.

0

Solve -3*l = 15, -6*k - l - 5 = -8*k for k.

0

Solve 2*o - 3*p - 4 = -26, -3*o + 2*p - 18 = 0 for o.

-2

Solve -s + 6*l - 7*l - 6 = 0, -4*s = -l + 4 for s.

-2

Solve 4*t = -m + 9*t + 1, m + 3 = t for m.

-4

Solve -14 = -2*m + 2*q, 0*q = q + 4 for m.

3

Solve 0 = 3*m - 4*r + 2*r - 12, 0 = 5*m + 4*r + 2 for m.

2

Solve 5*z + 4*j = 28, -5*z - 8 = -4*j - 20 for z.

4

Solve -4*u = -27*k + 30*k - 12, -2*u + 4 = k for u.

0

Solve 4*v = 2*b - 14, 4*b - 8 = 2*v - 10 for b.

-3