Solve -2*p + 7*p = 0, 3*p + 9 = -3*q for q.

-3

Solve 2*p - 5*m - 21 = -2*p, 0 = p - 5*m - 9 for p.

4

Solve -5*i + 8*i - 5*c + 1 = 0, -4*i + 4*c + 4 = 0 for i.

3

Solve -15 = 5*y, -4*u + y - 7 = -2 for u.

-2

Solve 0 = -v + 5*a - 0*a - 1, 0 = -5*v + 3*a - 5 for v.

-1

Solve -4*x + 0 = 5*o - 6, 24 = -2*o + 5*x for o.

-2

Solve 30 = 5*s + u, -2*u = -4*s - 0*u + 10 for s.

5

Solve t + 10*m - 9*m = -6, -4*m - 16 = 2*t for t.

-4

Solve 3*w + 8 = -v, v = -4*v - 5*w for v.

4

Solve -2*b = 5*c + 18, -4*c - 24 = 2*b - 8 for b.

-4