Solve -7*u + 23 = -l, -46*u - 17 = -49*u - l for u.

4

Solve 3*t - 14 + 11 = -2*s, 15 = t - 4*s for t.

3

Solve -5*v + 22 = -c, -c - 4*v = 3*c - 32 for c.

3

Solve 5*z = -2*r - 27, -7*z - 40 = 11*r - 6*r for z.

-5

Solve 2*p = -w, 18*p = 23*p - 3*w for p.

0

Solve 5*w + 45 = -5*c, -12 = 4*c + 12 for w.

-3

Solve 3*h + 5*k + 43 = 3, -4*h + 2*k - 10 = 0 for h.

-5

Solve 0 = 2*s + s + 3*z + 3, -s + z = -1 for s.

0

Solve -m + 11*r - 12*r = -2, 4*m + 2 = r for m.

0

Solve -5*o + 7*f = 2*f + 15, o + 2*f = 0 for o.

-2