Solve -5*a - k = -5, -13 = -5*a + a + k for a.

2

Solve -25 = -5*o + 2*v, v + 25 = 5*o - 4*v for o.

5

Solve 9 = -4*z + 2*m + 13, -3*z + 3*m = 0 for z.

2

Solve 0 = 2*q + 5*g - 21, -5*g - 25 = -10*g for q.

-2

Solve 3*y - w = -10, y + 11*w + 25 = 7*w for y.

-5

Solve 0 = -2*i - 10, -4*q - 2*i + 7*i + 41 = 0 for q.

4

Solve 0 = q + b - 3, -3*q - 3 = b - 2 for q.

-2

Solve -3*s - 3 = -3*n, 5*n = -0*n - 5*s + 15 for n.

2

Solve 3*q - 23 = -5*p - 0*q, p = -q + 5 for p.

4

Solve -3 = -3*x - p, -p = -41*x + 43*x - 3 for x.

0