Solve 0 = 5*p - 2*d - 21, 7*p = 4*p + 3*d + 9 for p.

5

Solve -7*q + 5*q + 33 = -5*p, 5*q = p + 25 for q.

4

Solve 2*b - 5*m = -7, 0*m - 3 = 4*b + m for b.

-1

Solve -3*u = -6*u - i + 5, 25 = 5*u + 5*i for u.

0

Solve -4*z + 6 = l, -3*z - 10 = 4*l - 8 for l.

-2

Solve -3*l + 3 = -4*l, 8 = 5*z - l for z.

1

Solve 3*j + 4*h - 17 = -43, 0 = -5*h - 25 for j.

-2

Solve -2*x - 13 = -5*q + 2, -24 = 5*x + q for x.

-5

Solve 0 = -9*b + 4*b - 5*k - 5, 2*k = 4*b - 20 for b.

3

Solve -3*t - 3 = -3*a, -5*a + 3*a + 3*t = -2 for a.

1