Solve 0 = -15*c + 10*c + 4*k - 31, 5*k = c + 23 for c.

-3

Solve -u = 3*a - 3 - 11, -5*u - 4*a = -15 for u.

-1

Solve 0 = -3*u + 9*c - 8*c + 13, -24 = -2*u - 7*c for u.

5

Solve 0 = 5*k - 25, 5*h - 2*k = -9 - 1 for h.

0

Solve -n + 10 = -3*t, 11*t = -n + 5*t - 17 for n.

1

Solve 34*p = -v + 39*p + 20, -2*p - 6 = 0 for v.

5

Solve -1 = m + p, p + 9 = 3*m - 2*p for m.

1

Solve -3*f = -4*t + 10, 20*f - 15*f + t = -9 for f.

-2

Solve -w = -0*w - 4, 2*f + 4*w - 10 = 0 for f.

-3

Solve 0 = -3*a - 3*d + 3, -3*a + 7*a + 5*d - 3 = 0 for a.

2