Solve -2*l - 6 = -4*r, -9*l = 4*r - 4*l - 27 for r.

3

Solve -10*o = 3*h - 9*o - 14, 0 = -4*h - 2*o + 20 for h.

4

Solve -p - 22 = -5*s, -6*p + s - 10 = -3*p for p.

-2

Solve -5*q + 6*q + 5 = -4*s, -4*q - 7 = 3*s for q.

-1

Solve 2*h - q + 10 = 0, 13*q - 14 = 4*h + 14*q for h.

-4

Solve p - 3*h + 17 = 15, 4*h + 4 = 3*p for p.

4

Solve s - 19 = 5*j, 467 = 5*j - 5*s + 502 for j.

-3

Solve 2*t = 6, d + 13 = -4*t + 9*t for d.

2

Solve 4*n + 15 = -2*u + 3, -9 = -u + n for u.

4

Solve 36 = 4*g + 4*a, 4*g - 3*a = 2 - 1 for g.

4