Solve 17 - 13 = i, -1 = 5*b + i for b.

Solve 2*h = -2*s + s + 8, 2*h - 2*s = 8 for h.

4

Solve -2*u + 22 = -4*o - 4*u, o - u + 4 = 0 for o.

-5

Solve -2*m = 2*f - 20, 6*f - 3*f = 15 for m.

5

Solve -3*r - b + 0*b = -7, -4*r + 14 = -b for r.

3

Solve -7 = 4*l - 3*i - 2*i, -4 = 2*l - 2*i for l.

-3

Solve -6 + 0 = t + 3*y, 5*t = -5*y for t.

3

Solve 2*f + 2*f + n + 11 = 0, 0 = -5*f - 4*n for f.

-4

Solve 0 = -4*y - 10*j + 8*j - 14, -j = 4*y + 13 for y.

-3

Solve -5*y + 31 = 6, 4*y = -2*l + 18 for l.

-1

Solve -3*b - 2*o = -7, b - 3*o = 6 - 22 for b.

-1