Solve 0 = -3*r + 5*h + 11, -3*r + 2 = -5*r + h for r.
-3
Solve -2*d + 7 - 11 = 2*y, -4 = 2*d - 4*y for d.
-2
Solve 4*x - 7 = 5*v, x - 15 = 4*x + 3*v for x.
-2
Solve 2*h + 2*h - 3*g + 4 = 0, g = h + 2 for h.
2
Solve 5*k + 21 = 4*h, -23*h + 27*h - 2*k - 18 = 0 for h.
4
Solve 0 = 2*j + 811*k - 814*k + 11, -2*k = 2 for j.
-7
Solve x - 6 = 3*j, 15 = 4*x - 4*j - 1 for x.
3
Solve q = 3*l - 10 + 1, 4*q + l = -10 for q.
-3
Solve -2*q = 2*o + 6, -o - 10 = o - 2*q for o.
-4
Solve u = -4*x - 8, -5*x - 5*u + 6 - 1 = 0 for x.
-3