Solve 4*o = 6*o - 4*u - 8, u - 9 = -5*o for o.

2

Solve 4*v - 30 = -5*r, -7 = -5*v + 4*v - r for v.

5

Solve -12*u + 10*u + 10 = 0, -2*h - 2*u = -4 for h.

-3

Solve 34*o + 18 = v + 39*o, -2*v - o = -9 for v.

3

Solve 0 = -2*h + 5*d + 23 + 15, -3*h = d + 11 for h.

-1

Solve -2*l - 6 = 2*v, -14 = 2*l - 16 for v.

-4

Solve -p - 7 = -4*b, 8*b - 3*p + 1 = 7*b for b.

2

Solve 3*z = 5*r - r - 1, -3*r - 3 = -z for r.

-2

Solve 2 = -3*z + l, z - l - 2 = -0*l for z.

-2

Solve -5*n - 2*z = 16, -3*n - z = 4*z + 21 for n.

-2