Solve -4*c = -4*s - 7*c + 13, -5*c = -s + 9 for s.

4

Solve 2*q - j + 8 = 5*q, -2*q - 4*j + 12 = 0 for q.

2

Solve -z + 15 = -2*m, -9*z + 5*m = -4*z - 50 for z.

5

Solve m - 5 = -f, f - 7 = 5*m - 14 for m.

2

Solve -2*j = 4, -l + 4*j + 7 = -0*l for l.

-1

Solve 5*q - 21 = 2*y - y, 3*y + 3*q = 27 for y.

4

Solve 3*z + 5 = -2*z, 2 = -k + 2*z for k.

-4

Solve 2*q + 0*q + 7 = -x, 17 = -4*q - 5*x for q.

-3

Solve 0 = 3*f + 4*c + 13, 0 = -f - 0*c - c - 4 for f.

-3

Solve -7 = 3*v + 2, -3*y + 3*v = -3 for y.

-2