Solve -4*u - 23 = -u - 4*f, 3*f = -u + 1 for u.

-5

Solve 0 = z + 3*s, 8*s - 18 = -5*z + 11*s for z.

3

Solve 47*s + 4 = 52*s + 4*m, 5*m + 36 = 4*s for s.

4

Solve 2*c = x + 5, 0 = -0*x + 5*x + 5 for c.

2

Solve 3*a - 2*c = -25, 7*c - 3*c - 15 = -a for a.

-5

Solve -3*v - 3*b + 3 = 0, -12*v + 4*b = -14*v for v.

2

Solve w + 3*t + 33 = -2*w, -5 = t for w.

-6

Solve 28*o - 11 = 4*w + 29*o, -w - 14 = -2*o for w.

-4

Solve -8*b + 6*b - 28 = -5*a, 0 = 5*b + 5*a for b.

-4

Solve 0 = -5*k + v + 19, -3*k + 14 = -k - 2*v for k.

3