Solve -17 = 4*c - 5*w, -3*c = -3*w + 9 - 0 for c.

2

Solve 28 = a + 5*x, 0 = a + 3*x - 19 + 1 for a.

3

Solve -9*a - 15 = -4*a, -2*c = 2*a for c.

3

Solve 5*l - 1 = -n + 3*n, 0 = -5*l + 4*n + 7 for l.

-1

Solve -2 - 5 = 2*a + b, 3*a + 6 = 3*b for a.

-3

Solve 2*l - 5*c = -6, -c + 8 = 5*l - 2*c for l.

2

Solve 3*k = -4*c + 26, -5*c - k - 3 = -30 for c.

5

Solve 0 = -4*h - i - 6, 5*h - 3*i + 13 + 3 = 0 for h.

-2

Solve -n - 3 = -4*l - 17, -4*n + 4 = -3*l for l.

-4

Solve 2*u = 2*s - 0 - 20, -4*u = 5*s - 5 for u.

-5