Solve -2*s - s = -3*f - 21, -15 = -3*s for f.

-2

Solve -1 = 4*z + 3*c, -5*z - 22 = -2*c + 8 for z.

-4

Solve 14*r - 8 = 4*c + 9*r, 10 = 2*c + r for c.

3

Solve 5*i = -3*m - 6, -4 = -2*i - 2*m - 8 for i.

0

Solve -m = 4*j, j + 22*m - 19 = 17*m for j.

-1

Solve 5*c - 30 = -5*v, 0 = -5*c - 2*v + 4*v - 5 for c.

1

Solve 32 = 3*s - 5*g + 35, -4*g + 12 = 0 for s.

4

Solve 4*y - 5*l = 23, 13 = y - 2*l + 5 for y.

2

Solve -i = 4*v - 8, 23*i + 1 = 5*v + 22*i for v.

1

Solve -u + 4*q = -13, -327*u - 4*q = -323*u - 12 for u.

5