Solve 0*o - 2*o - 5*z = -12, -4*o + 3*z - 28 = 0 for o.

-4

Solve 9*s + 24 = -4*v - v, 0 = -4*s - 4 for v.

-3

Solve r - 9 = -5*c + c, 0 = -5*r + 2*c - 21 for r.

-3

Solve 8*p - 7*p - 2 = 4*v, -2*p - 4*v = 8 for p.

-2

Solve 5*m + 0 = -2*o - 4, 3*m + 3*o + 6 = 0 for m.

0

Solve -b = 4*h, 0*b - 21 = -4*b + 5*h for b.

4

Solve 4*j = 3*w + 7, 3*w - 7 = -3*j + 14 for j.

4

Solve -4*m - 9 = -5*s - 21, -5*s - m = 22 for s.

-4

Solve -2*i = -3*b - 8, -31*i + 3 = -30*i - b for i.

1

Solve -11 = 3*i - 4*k, -i + 308*k = 311*k - 18 for i.

3