Solve -18*t = -5*u - 22*t - 14, -t + 3 = -2*u for u.

-2

Solve 0 = 4*s + 5*k - 20, 4*s + 4*k - 15 = s for s.

5

Solve 2*i + 110 - 128 = -4*u, -19 = i - 5*u for i.

1

Solve -3*u - 2*m + 15 = 0, -m - 5 = 6*u - 7*u for u.

5

Solve 18 = -3*f - 5*u - 5, -2*f - 4*u - 18 = 0 for f.

-1

Solve 1 = 3*z + 4*s - 6*s, 0 = -3*z + 3*s for z.

1

Solve -f = -2*b - 2, 2*f + 4*b - 1 + 5 = 0 for f.

0

Solve 0 = i + 5*n + 20, n + 605 - 600 = 0 for i.

5

Solve 4*y + 12 = -4*k, -y + 16 = 3*k + 17 for k.

1

Solve 3*d - 3*o = 21, 12*o + 8 = 8*o for d.

5