Solve 45*h - 50*h - 5*x = -10, 0 = -4*h - 5*x + 7 for h.

3

Solve -4*l - n - 9 = 2*n, -3*n - 3 = 2*l for l.

-3

Solve 22*p = 27*p + 3*c + 27, -2*p - 10 = c for p.

-3

Solve -4*p - 15 = -d, 27*d + 20 = -3*p + 26*d for p.

-5

Solve -18 = -3*d + 2*h + h, 9 = -d - 4*h for d.

3

Solve -2*c + 19 = 2*r + 21, 4*r + c + 4 = 0 for r.

-1

Solve 20 = -77*r + 81*r - l, 5 = r - 5*l for r.

5

Solve 0 = 2*b - z - 1, 6*b + 1 = 4*z - 5*z for b.

0

Solve -x = 5*t - 7, x - 5*x - 3*t = -11 for x.

2

Solve s - 29*m + 14 = -33*m, -2*s + 4*m = -20 for s.

2