Solve 2*w = u + 8, -7 = 2*u + 19*w - 20*w for u.

-2

Solve 0 = -b - 5, -3*z + 5*b - 6 + 40 = 0 for z.

3

Solve -4*c + 16 = 4*k, 4*k = 2*k for c.

4

Solve -30 = -k - 5*z - 53, -12 = 3*z for k.

-3

Solve 2*w - 2*y = -16, 14*w = 17*w + 4*y - 4 for w.

-4

Solve 2*x + 6 = -4*w, -2*x - 2*w = 3*x + 7 for x.

-1

Solve 0 = -4*b + 9 + 11, m - 22 = -5*b for m.

-3

Solve -2*r + y = -1, -6*y = -2*y - 12 for r.

2

Solve -4*w + 1 = 5*i + 6, 0 = w + i + 2 for w.

-5

Solve -2*q + 2*p + 2 = 6, -4 = -5*q - 2*p for q.

0