Solve -5*f = 5*x - 25, -3*x + 3*f + 10 = 7 for x.

3

Solve -5*m + 5*n + 10 = 0, -3*n - 72 = -5*m - 56 for m.

5

Solve h - 6*f + f = -16, 8 = 4*h + 4*f for h.

-1

Solve 0 = h - 2, 5*o - h = 2*h - 1 for o.

1

Solve -2*c + u + 7 = -4*u, -u + 13 = -4*c for c.

-4

Solve 0 = -3*u - 5*d - 13 + 12, 3*u - d = 11 for u.

3

Solve 0 = -4*i - 5*l - 27, 17 = -3*i - 4*l - 4 for i.

-3

Solve 0 = i - r + 6, r = 6*r - 20 for i.

-2

Solve 6*t = -3*u + 5*t - 17, 0 = -3*t - 15 for u.

-4

Solve 2*x + 1 = -d, -4*d = 4*x - 5 + 17 for x.

2