Solve -l + 20 = 4*p, -7*l + 8*l - 4*p + 12 = 0 for l.

4

Solve 0*q + 4*q = -3*b, 0 = -4*b + 4*q + 28 for b.

4

Solve 0 = 2*u + u + 6, 4*l = -3*u - 2 for l.

1

Solve 2*g - 4 = 0, -g - 1 = c + 2 for c.

-5

Solve 2*u = -4*v + 7*u - 29, -3*v + 22 = 5*u for v.

-1

Solve 0 = -m - 4*n - 13, 3*m + 2*n + 9 = 2*m for m.

-5

Solve 3*p = 52*s - 56*s, -5*p = 5*s - 5 for p.

4

Solve -4*u - 5*t + 8 = 0, -t + 6 = 4*u - 2 for u.

2

Solve -3*m = 2*d - 3 + 2, 2*d - 22 = 4*m for m.

-3

Solve -5*w + 4 = 4*p - 0, -3*w + p = -16 for w.

4