Solve 2*c - 1 - 1 = 4*h, 0 = c + 5*h - 15 for c.

5

Solve 5*u = -2*o + 5, 3*u + 1 = -o + 4 for u.

1

Solve -20*t = -17*t - 4*g - 6, 19 = -2*t - 5*g for t.

-2

Solve 6 = -3*f, 12*n - 8*n + 14 = -3*f for n.

-2

Solve -4*z = -h - 4*h, 2*z - 3*h = 0 for z.

0

Solve -t - 1 = o, -2*t + o = t - 5 for t.

1

Solve 4*c - u = -17, 3*u + 7 = -3*c - 2 for c.

-4

Solve -9*d + 13*d + 3 = 3*z, 5*z = 3*d + 16 for d.

3

Solve -4*o + 2*p + 5 = 23, -2*o = -4*p + 18 for o.

-3

Solve -3*l + t - 3 = -2*t, -5*t = 20 for l.

-5