Solve c - a - 6 = 0, 18 = -4*c + 5*c - 4*a for c.

2

Solve 0 = 4*t + 3*u, -58*t + 25 = -55*t - 4*u for t.

3

Solve h + h + 5*z - 21 = 0, -6 = -4*h + 2*z for h.

3

Solve -11 = 2*z + 3*h - 2*h, -31 = 2*z + 5*h for z.

-3

Solve -3*f = -4*f - 1, -2*m + 3*f - 1 = 0 for m.

-2

Solve 5*y - 9 = 3*a, 4*a - 6*y = -7*y - 12 for a.

-3

Solve -a = -z - 38 + 39, -4*z - 5*a = 32 for z.

-3

Solve 14 = -2*q - 2*t, 5*t = -2*q - 14 - 6 for q.

-5

Solve 19 = 5*j + 44, 3*j + 15 = y for y.

0

Solve 0 = 3*u + q - 9, 2*u - 2*q - 15 = -1 for u.

4