Solve 3*l + 15*r = 20*r + 14, -3*r + 3 = 2*l for l.

3

Solve 0 = 3*i + f - 10 - 3, 0 = 5*i - 3*f - 17 for i.

4

Solve 4*u - 6*o - 14 = 0, 7*u + 1 = 9*u + 3*o for u.

2

Solve -4*o - 16 = 4*d, -5*d + 4*o = -2*d + 5 for d.

-3

Solve -4*p - 3*v = 2 - 21, 3*p - 3*v - 9 = 0 for p.

4

Solve 0 - 4 = 2*a, -u - 5*a = 8 for u.

2

Solve -16 = -t - c - 11, 15 = 5*c for t.

2

Solve v = 8*c - 6*c + 8, -5*c = -v + 14 for v.

4

Solve 0*r - 3*r - 3 = 0, 3*u - 5*r = 11 for u.

2

Solve 4*g = -3*c - 17, -14*g + 12*g = -3*c + 13 for c.

1