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

-2

Solve 2*i = 3*l, 2*i + 2*i + 18 = -3*l for i.

-3

Solve -3*m + 11 = k - 6*m, -3*m - 9 = 0 for k.

2

Solve 5 = -u, -2*l = 3*l - 5*u - 45 for l.

4

Solve -5*q + 3*k + 17 = 0, -2*q + 9 = 2*k - k for q.

4

Solve 5*r = -2*u - 10, -20*r - 4*u - 8 = -16*r for r.

-2

Solve 3*d + 4*p - 12 = 0, 3*p - 9 = -0*p for d.

0

Solve -3 = 3*b - 3*x, 0 = -4*b + x - 0 + 8 for b.

3

Solve -20 = -4*w, -3*w + 22 = -3*m + 2*m for m.

-7

Solve -c - 10 = 5*m, 4*m - 2*c = -1 - 7 for m.

-2