Solve -4*o - 5 = 3*a, -2*a - 3*o = -0*o + 5 for a.

5

Solve 5*l + 3*h - 7*h - 2 = 0, h - 12 = -5*l for l.

2

Solve 16 = 5*v + 5*c + 41, c + 5 = -5*v for v.

0

Solve -2*c - 3*l = -15, -5*c + 6*l - 3*l = -6 for c.

3

Solve -647 + 643 = 4*d, 0 = -b + 4*d + 3 for b.

-1

Solve 2*h + 7 = -2*h - 3*n, 5*h = -3*n - 5 for h.

2

Solve 2*o = 2*h - 6, -o = o - 4 for h.

5

Solve 20 = 45*o - 50*o - 4*j, 0 = -4*o + 4*j - 16 for o.

-4

Solve -u - 25 + 34 = 2*c, 4*u = -3*c + 16 for c.

4

Solve -3*d + 4*d - 14 = -3*y, 20 = 4*y for d.

-1