Solve -5*b - 20 = 0, 0*f - f + 6 = -2*b for f.

-2

Solve 2*h = -2*p + 2, 4*p = -24*h + 21*h + 7 for p.

4

Solve 2*q = -u - 12, -3*q + u = -7*q - 22 for q.

-5

Solve -4*i = 2*a + 20, -4*a + 0*a - 5*i - 28 = 0 for a.

-2

Solve 2*o = 4*w - 8, 3*o + w - 1 = -13 for o.

-4

Solve 2*o = -r - 7, 7*o + 25 = -4*r + 2*o for r.

-5

Solve -3 = -3*d - 2*v, 4*d - v - 2 - 24 = 0 for d.

5

Solve -2*g - p + 56 - 50 = 0, -3*g - 2*p = -9 for g.

3

Solve -c = 4*h + 6, 0 = -h + 5*c - 28 + 16 for h.

-2

Solve -2*z - 2*f + 12 = 0, 4*f = 5*z - 4 + 1 for z.

3