Solve -2*s + 8 = -4*z, z = -2*z - 2*s - 20 for z.

-4

Solve p - 1 = 0, 16*k - 18*k - 5*p - 1 = 0 for k.

-3

Solve -2*z - 15 = 5*b, 4*z + 0*z = -5*b - 25 for z.

-5

Solve -w + 4 = -3*w, 5*p = 5*w + 30 for p.

4

Solve -2*b = -2*k - 0*b - 10, 0 = -3*b for k.

-5

Solve 5*z + 5 = 5*n, 2*n - 4*z - 3 = 9 for n.

-4

Solve -3*y = -4*m - 8, 0 = 2*y - 0*y - 2*m - 6 for y.

4

Solve 2*a + 4*q = 4, -18 = -5*a + 5*q - 53 for a.

-4

Solve 4*s - 7*s = 0, -4*l + 4*s = 16 for l.

-4

Solve 58*b = 2*z + 61*b - 4, -4*z - 36 = -5*b for z.

-4