Solve 5*r - 3 = -4*l - 11, -2 = l for r.

0

Solve -16*u - 10 = -14*u + j, 3*u + 20 = -4*j for u.

-4

Solve 0*w = 3*w - 15, 5*y + 25 = w for y.

-4

Solve -2*s + 3 = u, 0 = -56*s + 55*s + u + 9 for s.

4

Solve 1 = -3*s + 4*i, -4*s + 5*s + 3*i - 17 = 0 for s.

5

Solve -4*k - 2 = -2*c, 6*c + 6 = 9*c - 3*k for c.

3

Solve 0 = 4*k - 20, -1 = -13*n + 16*n - 2*k for n.

3

Solve 0*f + 2*r = f + 2, 4*r = 5*f + 4 for f.

0

Solve 7*s = 2*s + 3*d + 15, -2*s + d = -5 for s.

0

Solve -4*b - 9 = p, -4*b = -5*p - 0*p - 21 for b.

-1