Solve -k + 55 - 54 = 0, 7 = -4*z - 5*k for z.

-3

Solve -2*u - 45 = -5*l - 15, 3*u + 18 = 3*l for l.

6

Solve 0 = 3*a + 3*m, 4*a + m = 9*a - 18 for a.

3

Solve 2*o = -18*f + 17*f + 4, -2*f = -4*o + 24 for o.

4

Solve 0 = 4*o - 5*o + 5*r - 6, -5*r = -3*o - 8 for o.

-1

Solve 2*r + 62 = -18*n, -10 = -n + 5*r - 39 for n.

-4

Solve -4*k + k = 2*v + 5, -5*v = 5*k + 5 for k.

-3

Solve -4*w - 21 = 4*i - 17, 4*w = -4 for i.

0

Solve -10 - 4 = -5*d - 3*p, -2*d + 5*p = -18 for d.

4

Solve -2*x = -3*x + 3*k + 10, 5*x + 22 = -3*k for x.

-2