Solve 0 = -309*u + 304*u - 4*b - 11, 3 = -u - b for u.

1

Solve -3*z + 24 = -2*s + 2, 2*z = 4*s + 28 for z.

4

Solve 4*a - 26 = -a + x, -4*a + 18 = 2*x for a.

5

Solve 0 = -2*n - 3*t - 9, 0*n + n - 5*t - 2 = 0 for n.

-3

Solve -d - 8 = -2*a, 2*d - 4*a + 19 = a for d.

-2

Solve -3*s - 2*w + 11 = 0, -3*s = -2*w + 6*w - 19 for s.

1

Solve i - 14 = -4*p, 2*p = i - 0*i + 10 for p.

4

Solve -2*l - 7*u + 1 = 0, -3*u - 38 = -3*l - 23 for l.

4

Solve 0*z - 3*d + 19 = 5*z, 4*z - 4*d = -4 for z.

2

Solve 0 = -4*q + x + 4, 5*x - 1 = -5*q + 4 for q.

1