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

3

Solve 0 = 5*r + 5*j + 5, 5*j - 25 = -24*r + 25*r for r.

-5

Solve -2*v + 18 - 16 = 4*z, -5*v = 5*z for v.

-1

Solve 2*o = 2*i + 6, 5*o + 3*i - 13 - 18 = 0 for o.

5

Solve -10*h - 5 = 5*t - 5*h, -5*t - 4*h = 6 for t.

-2

Solve -2*u + 18 = -5*w + 5, 1 = -u for w.

-3

Solve -5*s = -20, 0 = -2*m - 0*s + 4*s - 6 for m.

5

Solve 5*z = 4*q - 10, 4*q + 2*z + 4 = q for q.

0

Solve -2*x + 3*x - 5 = 5*y, 0 = -4*x for y.

-1

Solve 0 = -3*s + 4*x - 3 + 17, 0 = -5*s + 2*x for s.

-2