Solve 2*a - 4 = -z - 5, -a - 2*z - 8 = 0 for a.

2

Solve w - p - 20 = 5*w, 0 = 2*w - 5*p + 10 for w.

-5

Solve -4*r = -0*r + k + 10, 3*r + 3 = -3*k for r.

-3

Solve -x - 15 = -5*p, -5*x - 10*p = -12*p + 6 for x.

0

Solve 3*x - 2*x - 2 = -c, 0 = 5*c + 2*x - 7 for c.

1

Solve -2*v - 3*v + 5*r = 0, v - 3*r = -8 for v.

4

Solve 0 = 5*l + 3*z + 17 - 44, 0 = -5*l + 4*z - 1 for l.

3

Solve 4*i - 18*y = -15*y + 2, 2 = 5*i - 4*y for i.

2

Solve 0 = 5*u - 2*t - 13, 20 = -u - 5*t + 1 for u.

1

Solve 0 = 2*c - 10, -19*c + 18*c = -s - 7 for s.

-2