Solve -4*o = 4*c - 12, -9*o + 7 = -10*o + c for o.

-2

Solve 9*t - 10*t + 3 = -h, 5*t = 2*h + 12 for h.

-1

Solve -30 = -3*r + 3*t, -5*r - t = -4*r for r.

5

Solve 0 = 4*u - 4*n + 24, -24*n + 28*n - 15 = -5*u for u.

-1

Solve 0 = 3*y + w + 13, -y + 3*w = -2*w + 15 for y.

-5

Solve -2*t - 4 = 0, -4*o + 16 = 7*t - 5*t for o.

5

Solve 3*i + 3*a - 8 = 5*i, 5*i + 3 = -a for i.

-1

Solve 13*m = 4*h + 16*m - 7, 0 = 2*h + m - 3 for h.

1

Solve 4*w - 4 = 4*k, 4*w = k + 5 + 5 for w.

3

Solve -n - 1 = -o, -3*o + 1 = -n - 0 for o.

0