Solve 0 = 2*s + 4*h + 30, -h = -3*s - 5*h - 35 for s.

-5

Solve 3*p = -4*c + 26, -p - 23 = -2*c - 3*c for c.

5

Solve 0 = 3*x + 4*b - 14, -3*b - 4 = x - 12 for x.

2

Solve -20 = 4*p, -p - 5 = 5*a - 0*p for a.

0

Solve 18 = -2*a + 3*c, 2*c + 80 = a + 91 for a.

-3

Solve 3*u + 2 = 2*i, i + 0*i + 5*u + 25 = 0 for i.

-5

Solve -4*t - 2 = 3*k - 1, 5*k - 5*t = -25 for k.

-3

Solve 2*l - 4*h = 2, 5 = 5*l + 2*h - 12 for l.

3

Solve -3*w - 5*a = -3 + 7, w = -3*a for w.

-3

Solve 19*c + w - 3 = 18*c, -3*c + 3*w = 21 for c.

-2