Solve -3*c - i = 1, -5*i - 27 = -2*c - 5 for c.

1

Solve -3*x + 4 = -4*f, 0*x + 10 = -3*f + 4*x for f.

2

Solve n = 4, -5*q = 5*n - 4 - 21 for q.

1

Solve 4*d - 28 = -3*p, -20 = -85*d + 83*d - 3*p for d.

4

Solve 0*z = 4*z + 8, -4*b + 4 = 2*z for b.

2

Solve 4*c = -2*x + 6, 4*c + 0 - 2 = 2*x for c.

1

Solve 0 = -5*l + 5, l - 5 = 5*u - 24 for u.

4

Solve -20*r + 15*r + 4*a = 39, r = -5*a - 2 for r.

-7

Solve -2*o + 5*q = 20, 4*o = 5*o - 2*q + 8 for o.

0

Solve 5*p + 17 = 5*b - 8, -2*b = -4*p - 20 for p.

-5