Solve 4*l + 13 = -m, -3*m - 28 = -5*l - 57 for l.

-4

Solve -9*l + 35 = -7*l + 5*z, 5*l - 2*z - 15 = 0 for l.

5

Solve 6*c = 2*i + 12, -9*i + 4*i = c + 14 for c.

1

Solve -33*m + 30*m + 3*r = -24, 2*r = 4*m - 24 for m.

4

Solve -5*p + z = 4*z - 10, -5*z = -5*p + 50 for p.

5

Solve 20*s - 4*p = 19*s + 14, s + 5*p = -13 for s.

2

Solve -3*n + 7*n - 4*a = -4, 3*n = -a - 15 for n.

-4

Solve 0*j - 15 = j + 4*z, -3*z = 9 for j.

-3

Solve -74*b = -78*b + 16, 0 = 2*r - 4*b + 16 for r.

0

Solve 3*c + 22 = -5*u, -c - 4*c - 2*u - 24 = 0 for c.

-4