Solve 0 = 2*r + 2*c + 12, 5*c + 24 = 2*r - r for r.

-1

Solve 2*u - 24 = -2*u + 2*v, -u - v + 3 = 0 for u.

5

Solve 5*h = 2*o + 13 + 18, 3*o - 4*h + 29 = 0 for o.

-3

Solve -4*n = -0*n - 12, 5*o - 17 = -4*n for o.

1

Solve -4*h + 3*k = -2*h, 0 = 3*h - 4*k + 1 for h.

-3

Solve 0 = -2*r + 4*b - 8, 60*b - 64*b - 2 = 3*r for r.

-2

Solve 0*s = -r + 4*s - 6, s = -5*r + 12 for r.

2

Solve -2*q - 2 = 0, -26*q + 31*q = -4*i - 13 for i.

-2

Solve -5*m - 4 = d, 3*m - 15 = 4*d + 1 for d.

-4

Solve -4*q - 38 + 30 = 0, m = -3*q - 3 for m.

3