Solve -20 = 6*h - 2*h + 2*s, -20 = -5*s for h.

-7

Solve -1 = 2*k + 4*h - 13, 0 = -2*k - h - 3 for k.

-4

Solve -a + 2*n + 5 = 0, 2*a + a - 15 = -n for a.

5

Solve 0 = 4*b + 2*d - 26, -5*b + 2 = -3*d - 14 for b.

5

Solve 0 = -h - 5*q + 16, 0 = -41*h + 37*h + 3*q - 28 for h.

-4

Solve 4*b + p = 6, -2*b + 3*p = -7 - 3 for b.

2

Solve -2*o - 10 = -3*d, 6 - 5 = o for d.

4

Solve -5*t + 2*o - 29 = 0, -5*o + 6*o + 23 = -5*t for t.

-5

Solve -2*g + j = 0, -3*g + 2*j = 2 - 4 for g.

-2

Solve 9 = j + b + 6, 12*b - 46 = -2*j for j.

-1