Solve 7*s + 16 = -4*f + 6*s, s = 0 for f.

-4

Solve -5*w - 82*u = -83*u + 17, -w - 16 = 4*u for w.

-4

Solve 6 = 2*a + h, -a + 5*a - 2*h = 28 for a.

5

Solve -u = 0, -2*l + 0*l - 5*u = 8 for l.

-4

Solve -3*j - 3*x = x + 6, j - 4*x = 14 for j.

2

Solve d = 2*s - 3*d - 10, 4*s + 4 = 2*d for s.

-3

Solve -3*c + 6 = h - 6, -4*c + 3*h + 29 = 0 for c.

5

Solve 0*u - 4*u + 19 = 5*s, 0 = -5*u + 3*s - 4 for u.

1

Solve 0 = -2*r - q, -6*r + 4 = -2*r + q for r.

2

Solve -m = 4, 2 = -4*k - k - 3*m for k.

2