Solve f + 5*s = 14, -21*s + 8 = 3*f - 23*s for f.

4

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

0

Solve -2*t + 5*t + u = -18, u = -2*t - 12 for t.

-6

Solve r + 5 = -3*g, -7*r = -3*r + 2*g + 20 for r.

-5

Solve 2*h + 6 = -4*q + 2*q, -2*h = 5*q + 12 for q.

-2

Solve -14*i + 12*i + 5*b = 11, 0 = 7*i - b - 11 for i.

2

Solve -6*f + 3*f = -4*w - 1, -4*f = -3*w + 8 for w.

-4

Solve -3*i + 11 = -g, 2*g = -0*i + 7*i - 25 for g.

-2

Solve -l + 7 = o, 18*o - 4 = 17*o for l.

3

Solve -5*h - 5*v = -2*h - 1, 0 = 2*h - 5*v + 16 for h.

-3