Solve 3*z - q + 19 = -6*q, 0 = -5*z + q + 15 for z.

2

Solve -2*z - 3*z + 5*u - 15 = 0, 2*z + 7 = u for z.

-4

Solve 18*n + 11 = u + 15*n, 4*u = -3*n - 1 for u.

2

Solve -6*n - 2*p = -11*n + 7, 5*n + 5*p - 35 = 0 for n.

3

Solve 4*m = -5*r - 10, -2*m - 3*m = -r + 27 for r.

2

Solve 0 = -2*d + v - 9, 4*d - 3*d = 3*v - 7 for d.

-4

Solve -4*f = -2*x + 11 - 1, 0 = -2*f - 4*x for f.

-2

Solve -15 = 3*q + 3*s, 5*q - s - 2*s + 17 = 0 for q.

-4

Solve 3*h - 15 = 5*d, 0 = h + 16 - 11 for d.

-6

Solve -40 = 4*j + l - 26, -2*l = 4 for j.

-3