Solve 2*q - 1 = 6*q + 3*f, 7 = -2*q + 5*f for q.

-1

Solve -4*c = -2*r + 12, -r - 3*c - 10 = 9 for r.

-4

Solve 96*r - 13 = 91*r + 2*u, 3*u - 12 = -3*r for r.

3

Solve -q - 4*r = -21, -16 = -3*q - 5*r + 12 for q.

1

Solve 23 - 3 = -2*u + 2*r, 4*u - 5 = -5*r for u.

-5

Solve -y = -x + 4*x + 11, 2*x - 10 = -5*y for x.

-5

Solve -3*i + 3*l + 19 = -l, i - 3 = -2*l for i.

5

Solve 0 = 5*v + 2*s + 16, 2*v + 10 = s - 0 for v.

-4

Solve 4*b + 18 + 7 = -5*n, 0 = -4*b for n.

-5

Solve 114 = -2*j - 5*c + 142, 23 = -5*j + 3*c for j.

-1