Solve -f + z = 0, 0 = -4*f + 9*z - 6*z - 4 for f.

-4

Solve 0 = 5*y - j - 15, -18*j = -13*j for y.

3

Solve l = -4*n + 14, 7*n - 2*l = 2*n + 11 for n.

3

Solve -m - 6*f = -2*f - 21, 15 = 3*f for m.

1

Solve 4*q = 4*j - 2 + 14, -4*j - 4*q - 20 = 0 for j.

-4

Solve 5*y = 5, 4*w + 50*y - 49*y = -11 for w.

-3

Solve 4*m = 2*m + 10, -4*n + 3*m - 27 = 0 for n.

-3

Solve -5*x - 17 = -22*w + 24*w, 2*w - 2*x = 4 for w.

-1

Solve -4*v + q - 16 = 0, 2*q + 25 = v + 22 for v.

-5

Solve 0 + 5 = -l - 5*d, 3*l - 2*d + 15 = 0 for l.

-5