Solve 6*o - 11*o - 25 = -2*x, 2*o + 5*x + 10 = 0 for o.

-5

Solve 0 = k + 4*r + 7 + 4, 2*r - 12 = -4*k for k.

5

Solve 3*m + 15 = 4*h, -m - 9 = -5*h + 7 for h.

3

Solve 1 = 4*n - 5*x, x = -5*n + 5*x + 8 for n.

4

Solve -3*k - 6 = f + 14, 0 = -2*k - 5*f - 35 for k.

-5

Solve -4*u = 2*r + 20, -2*r - 13*u + 14*u = 0 for r.

-2

Solve 3*d + 25 + 2 = 4*i, d = -4*i + 7 for d.

-5

Solve 0 = 2*f - 3*u + 17, -3*f + 0*u - 5*u + 22 = 0 for f.

-1

Solve -3*a + 4*m = 0, -3*a + 5*m = -a for a.

0

Solve -2*r = 4*u + 14, -6 = u + r - 4 for u.

-5