Solve -4*r + 4*k = -12, -2*r - 2*r + 9 = -k for r.

2

Solve -c - 23 = -5*b - 3*c, -b - 4*c = -19 for b.

3

Solve -4*i - 5*g - 5 = 7, -2*g - 12 = -2*i for i.

2

Solve 2*n + 23 = -3*s, -3*n - 6 = 6 for s.

-5

Solve -5*p - t = 6, -3*t + 0 - 6 = 3*p for p.

-1

Solve -3*u = 5*l, -302 = l - 4*u - 325 for l.

3

Solve 15 = -5*u, 5*u + 3 = 2*z + 2*z for z.

-3

Solve 4*x + 4*u + 24 = 0, x - 2*x + 4 = -u for x.

-1

Solve 5*f + 3*s - 3 = 0, -5*f + 4*s = 2 + 2 for f.

0

Solve -2*r = -7*r + 5*i - 15, 5*r + 2*i = 13 for r.

1