Solve -2*t - 2*t - 18 = -2*w, 2*w - 5*t - 21 = 0 for w.

3

Solve 4*z + 8 = -2*d, -3*d + 4*z = 5*z + 12 for d.

-4

Solve k + 27 = -9*p + 13*p, 50 = 2*k + 5*p for k.

5

Solve -3*w + 15 = 0, 9 = -4*r - 0*w + w for r.

-1

Solve -4 = -2*p + 3*x, -4*p - 25 = 5*x - 11 for p.

-1

Solve -3*n + 3 = p, -3*n - 6 = 3*p - 3 for n.

2

Solve -j = 2*j - f + 9, 4*f = 5*j + 15 for j.

-3

Solve -4*q + 4 = -l, l = -0*q + 2*q - 2 for l.

0

Solve -18*t + 4*q = -20*t - 22, -5*t + 5*q + 20 = 0 for t.

-1

Solve 0 = -5*r + 2*q + 5, 6*q = -3*r + 9*q + 12 for r.

-1