Solve 0*p + x = p - 4, p = -4*x + 9 for p.

5

Solve -d = -5*q + 21, -d + 11 + 13 = 4*q for d.

4

Solve -4*u - 52 + 32 = 0, f - 18 = 4*u for f.

-2

Solve 5*h - m = -1, -3 = -7*m + 4*m for h.

0

Solve -3*m + 5*m - 2*u = 18, -2*m - 10 = 5*u for m.

5

Solve 0 = -2*v - i + 3, 5*i + 3 = -8*v + 4*v for v.

3

Solve 6*b = -p + 2*b + 19, 0 = 4*b - 20 for p.

-1

Solve -3 = 3*b, d + 0*b + 4 = -4*b for d.

0

Solve -v = -3*x + 63 - 65, 0 = 5*v + x - 26 for v.

5

Solve -3*f + 22 = 4*g + 6, -3*f + 15 = 3*g for f.

4