Solve -19 = p - 4*n, 2*p + 145*n = 140*n + 14 for p.

-3

Solve -16 = -4*l + i, -145*l + 7 = -140*l + 2*i for l.

3

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

-5

Solve 5*k - 5 = -4*q + 10, 5*k - 15 = 4*q for k.

3

Solve h - 4*q - 4 = 5*h, -3*h = -3*q - 9 for h.

1

Solve 50*y + 2 = 45*y - 3*u, u = -4*y - 3 for y.

-1

Solve 120*k - 3 = 4*o + 119*k, k + 3 = o for o.

-2

Solve 2*q = -5*r + 5 - 53, 0 = -3*q + 5*r + 28 for q.

-4

Solve 5*u + 4*p = -9, 0*u + 4*p = -4*u - 4 for u.

-5

Solve 3*p + 33 = 3*v + 9, 0 = -5*v + p + 20 for v.

3