Solve -4*z = -2*u - 24, 15*z + 3*u = 13*z + 4 for z.

5

Solve 0 = -2*s - 8, -3*r + 25 = -4*s + 15 for r.

-2

Solve 3*d = -4*g + 17 - 10, 5*g + 10 = 0 for d.

5

Solve -3*w + 9 = x, -4*x + x + 9 = 3*w for w.

3

Solve 3*r + f + 0*f = -5, 2*r = -3*f + 6 for r.

-3

Solve 9*n - 4*n + 17 = 4*p, 0 = 5*p - 15 for n.

-1

Solve 5*w = 2*f + 53, -f + 15 = 2*w + 1 for f.

-4

Solve 0 = 2*k - 5*l - 33, k - 2*l + 4 = 18 for k.

4

Solve 4*s = 3*a - 11, 197*s - 194*s = a - 12 for a.

-3

Solve 3 = 5*t + 23, -5*x = -t - 24 for x.

4