Solve 0 = -n + 6*z - z + 28, -5*n + 5*z = -40 for n.

3

Solve 7*b - 2*b = 0, -5*o - 15 = 2*b for o.

-3

Solve k = -4*k + h + 20, 2*h = -5*k + 35 for k.

5

Solve 2*v + 3*m = -13, 5*m + 10 = -5*v - 10 for v.

1

Solve 4*m = t - 8, -223*t + 220*t + 7 = 5*m for t.

4

Solve -2*n = 4*i - 30, -4*n + 6*i - 7 = 3 for n.

5

Solve -2*s = 2*u + 29 - 27, -u - 6 = 2*s for u.

4

Solve 10 = -2*q - 5*o + 5, -3*o - 9 = 0 for q.

5

Solve 5*l + 2*u = 9, -5*l = -3*u - 6 + 7 for l.

1

Solve -15*r + 37 = -10*r + 4*p, 40 = 5*r + 5*p for r.

5