Solve -12*s + 1 = z - 13*s, 4 = 3*z - 4*s for z.

0

Solve 2*f + 4*t + 4 = 0, -11 + 3 = -2*f + 2*t for f.

2

Solve 2*c + 4 = -4*x - 2, -8 = -4*c + 2*x for c.

1

Solve 59*s - 55*s - 4*n = 4, 0 = -5*s + 4*n + 1 for s.

-3

Solve -4*n = -g - 13 + 8, 4*n = 3*g + 7 for n.

1

Solve -4*k + u = 4*u + 8, 20 = -5*u for k.

1

Solve 2*l + 8 = 4*r, 0*r + 3 = r - l for r.

1

Solve 0 = -2*z - 2*x, -69*z - 2*x - 8 = -71*z for z.

2

Solve 2*n = -4*s + 8, -4*s - 11*n = -10*n - 4 for s.

0

Solve 0*z + 23 = -2*z - 5*d, -4*z + 4*d = 4 for z.

-4