Solve -s + 4*l = 4, 8 = -3*l + 7*l for s.

4

Solve -25 = 5*l - 4*z, 3*l + 2*z = -2*z + 17 for l.

-1

Solve -4*c + 5*c = -z - 2, -4*z - 23 = -c for z.

-5

Solve 5*b = 4*c - 13, -2*b + 83*c - 81*c - 6 = 0 for b.

-1

Solve 5*n = -4*v - 45, 2*n - 4*v = -2*n for n.

-5

Solve -b + 9 + 4 = 4*c, -2*b - 5*c = -14 for b.

-3

Solve 5*m - 40 + 7 = -4*y, 0 = 4*y - 8 for m.

5

Solve 0 = -4*y - 2*u - 2 - 12, 4*y + 20 = -4*u for y.

-2

Solve t + 22 = 4*x, 5*x - 30 = -5 for t.

-2

Solve 9 = -u - 5*z, -4*z = 10*u - 9*u + 8 for u.

-4