Solve -k = 5*w + 2 + 18, -4*w - 12 + 2 = 2*k for k.

5

Solve -p + 3953*x - 20 = 3958*x, 4*x = 4*p - 40 for p.

5

Solve -6*r - 24 = -5*r - 2*a, 933 - 891 = 3*a for r.

4

Solve 2*n - 5*c - 4 = 0, -200004*c - 16 = -8*n - 200005*c for n.

2

Solve -3*v + 10 = 3*f - 4*f, 45*v = -57*f + 42*v - 48 for f.

-1

Solve -9*p = v + 39, -5*p + 26 = -5*v + 81 for v.

6

Solve -14*u + 5*l - 50 = -19*u, -5*u - l + 58 = 0 for u.

12

Solve -1352416*b - 4*u = -1352421*b, 4*b - 5*u + 9 = 0 for b.

4

Solve -3 = 2*o + 4*k + 23, 2*k - 21 = -3*o + 8*k for o.

-3

Solve -54*p + 84 = -5*a, a = -6367*p + 6372*p - 11 for p.

1