Solve 5 = -o + 5*r - 18, 3*r = 15 for o.

2

Solve -3*x - 2*h = -7 + 9, -3*h = 3 for x.

0

Solve -t - 4*t = -b, 3*b + 12 = 3*t for t.

-1

Solve 3*k = 4*r + 20, 5*k = -2*r + 4*k for r.

-2

Solve -2*w - 4*v = 3*w - 10, v + 29 = 4*w for w.

6

Solve x = 5*q + 2*x - 29, 5*x = 2*q + 10 for q.

5

Solve -2*b - f + 204 - 191 = 0, 3*b - 22 = -2*f for b.

4

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

0

Solve -11*o + 36 = -15*o - 4*a, -25 = o + 5*a for o.

-5

Solve -14 = -21*h + 18*h + 4*n, -2*n = 2*h for h.

2