Solve -2*s - z - 12 = 0, 4*s = 9*z - 14*z - 36 for s.

-4

Solve 3*y + 39*b + 4 = 40*b, -2*b = 10 for y.

-3

Solve -8 = f - 4*b, -2*b + 16 = f + 2*b for f.

4

Solve 1 - 20 = -2*r + 3*o, -2*o - 14 = -2*r for r.

2

Solve -22*t + 1 = -2*a - 23*t, 0 = -4*a - 4*t for a.

-1

Solve -i - 2 = -x, 2 = 4*i + x - 15 for i.

3

Solve 0 = -c - 2*t - 1, 5*t - 11 + 1 = 0 for c.

-5

Solve -4*a + 7 = -5*w, 13*a + 4*w + 4 = 17*a for a.

-2

Solve -b + 3*b + 4*x = -2, -5*b - 33 = -4*x for b.

-5

Solve 3*k - 18 = -4*i + 5, -2*i + 10 = 0 for k.

1