Solve 0 = k + 2*m + 10, -m + 4*m = -5*k - 15 for k.

0

Solve 0 = -3*a + 15, -9 + 42 = 2*j + 5*a for j.

4

Solve -4*s = -5*l - 11, -2*s = 6*l - 4*l - 10 for s.

4

Solve -10*h = -9*h - 2*l - 17, h - 23 = 3*l for h.

5

Solve 2*b + 4*i - 2*i + 6 = 0, 4*i = -16 for b.

1

Solve 3 - 12 = -3*m + 4*c, -5*m = 4*c - 15 for m.

3

Solve 4*r + 2*r = -5*o + 39, 5*o - 3 = 3*r for r.

4

Solve -30*n + 12 = -3*y - 33*n, 8 = 4*n for y.

-6

Solve 4*b + j + 8 = 0, 3*b - 7*j + 34 = b for b.

-3

Solve 5*g - 4*j - 18 = 0, -5*g + 5*j + 38 - 18 = 0 for g.

2