Solve 8 = 4*a - 4*k, 16 = -0*a + 2*a + 2*k for a.

5

Solve 2*h + 13 = -f, -5*h + 6 = -4*h - 2*f for h.

-4

Solve 4*m + z + 7 = 0, -5*m = 14*z - 9*z + 20 for m.

-1

Solve -3*x = -0*n - n - 3, 5*x + 3*n = -9 for x.

0

Solve 0 = -4*l - 5*h - 19, l - 7*h - 5 = -5*h for l.

-1

Solve 6 = 6*d - 3*d + 2*c, -3*c + 6 = 3*d for d.

2

Solve 0 = -3*s - 3*b + 2*b + 12, 0 = b for s.

4

Solve -4*o - 28 = 4*x, 0*o - o = -5*x - 11 for o.

-4

Solve 170*l + 4 = -2*s + 168*l, 0 = -5*s - 4*l - 7 for s.

1

Solve -5*j - 3*o = -7, 2*j = -0*j + 5*o + 9 for j.

2