Solve -4*l + 7 = -2*i + 11, -2*l + 5*i - 2 = 0 for l.

-1

Solve -2*u - 21 + 31 = 4*t, 3*t = -3*u + 12 for u.

3

Solve 2*r - 9 = 3*h, 5*h = -4*r + 6 - 21 for r.

0

Solve -u = -2*x - 6, -5*u - 4*x = -x - 4 for u.

2

Solve -v + 10 = 3*q, -4*q = 5*v - 2*v - 20 for q.

2

Solve -n + 3 = u, 3*n = 5*n - 4*u - 6 for n.

3

Solve 5*l - g - 5 - 21 = 0, 3*l - 2*g = 17 for l.

5

Solve 0 = 3*p - 4*f - 12, -5*p - f - 14 + 34 = 0 for p.

4

Solve 4*l + 4 = g + l, 0 = -4*g + l + 5 for g.

1

Solve -5*z + 18 = -a, 0 = a - z - 4 + 10 for a.

-3