Solve -20 = b + 6*o, 2*b + 3*o - 4 + 17 = 0 for b.

-2

Solve -2*v + 2 = 3*b, -v = -2*b - 6 - 2 for b.

-2

Solve -2*i = -2*f + 2, 7*i - 20 = 2*i for f.

5

Solve 5*p + 2*b = -0*p + 17, -p - 7 = 3*b for p.

5

Solve 0 = 3*h + 5*k - 5, -6*h + 7*h + k = 3 for h.

5

Solve g = 5*u - 11, 3*u - 2*g - 3 = 5 for u.

2

Solve -2*c + 10 = 0, -5*n - 4*c - 10 = -2*c for n.

-4

Solve j - 5*w = -140 + 157, 0 = -j - 4*w - 10 for j.

2

Solve -d + 22 - 2 = -3*r, -3*r + 10 = 5*d for d.

5

Solve 0 = s - 3*u - 7, 0*s - s + u + 1 = 0 for s.

-2