Solve 21 = -4*p - 0*k - 5*k, 5*k = p - 1 for p.

-4

Solve -3*b - 4*k = -8*b, 4*b + 21 = -k for b.

-4

Solve -u + 4*j = -5*u - 32, u - j + 2 = 0 for u.

-5

Solve 2*v - 2*a - 20 = 0, 7*v - 45 = 2*v + 4*a for v.

5

Solve -3*q - 4*d + 9 + 2 = 0, 0 = -q - 4*d + 9 for q.

1

Solve 0 = 10*z - 8*z - 10, 4*z - 15 = -5*g for g.

-1

Solve -12 = -3*r + 6*r + 5*z, 3*r + 4*z = -9 for r.

1

Solve 5*f - 5*n = -8*n + 3, -4*f = -5*n - 32 for f.

3

Solve -5*t - j = -297 + 301, 0 = -3*t - 3*j - 12 for t.

0

Solve -5*z = -5*g + 15, 5*z - 6 = -2*g - 28 for g.

-1