Solve -4 = -2*b + 10*l - 9*l, 4*l = 0 for b.

2

Solve -5*r - 6 = 5*w + 9, 3*w - 12 = 4*r for r.

-3

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

2

Solve -10*j + 16 = -6*j - 4*g, 0 = -3*j - 4*g - 9 for j.

1

Solve 0 = -2*h - 3*u - 8 + 7, 0 = -5*h - 4*u + 8 for h.

4

Solve 14*t - 3*r - 2 = 16*t, -8 = 4*r for t.

2

Solve -5*u + 37 = -4*y, 61*u + 4 = 63*u + 2*y for u.

5

Solve 0 = -k + 4, -3*k - 11 = u - 23 for u.

0

Solve 4*n = 2*r - r - 13, -3*r + 19 = -2*n for n.

-2

Solve i + 6 = -u, 5*u + 26 = -i - 2*i for u.

-4