Solve -v - 13 = -5*w, 4*w - 10*v + 5*v + 19 = 0 for w.

4

Solve -20 = 4*a - 4*r, 0 = 3*a - 5*r - 7 + 22 for a.

-5

Solve 5*f - 4*r = -27, -6*f - 18 = -3*f - 3*r for f.

-3

Solve 2*m = -3*m - 3*u - 16, 12 = -2*m - 4*u for m.

-2

Solve 5*u + 8 = 5*n - 7, 39 = -3*n - 5*u for n.

-3

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

-1

Solve -3 = -h - b, 0 = 5*h + b + b - 3 for h.

-1

Solve -r - 10 = -b - 4*r, r - 7 = -4*b for b.

1

Solve 5*c - 3*h + 21 = 2*c, 5*h = -4*c - 10 for c.

-5

Solve -3*c - 6 = 4*i - 5*c, -i + 5*c + 3 = 0 for i.

-2