Solve -a - 2*h = 15, 0 = 4*a - 565*h + 569*h + 40 for a.

-5

Solve 4*r + 7 = f, 3*r - 3*f - 4 - 2 = 0 for r.

-3

Solve 16*q + 2*y + 7 = 17*q, 3*q - 12 = 3*y for q.

1

Solve 21 = -5*i - 3*g + 8, 3*i - 5*g = -1 for i.

-2

Solve -i - i + w - 10 = 0, 6*i + 14 = -5*w for i.

-4

Solve 5*u + 5*s - 20 = 0, -3*s - 18 = -5*u - 6*s for u.

3

Solve 2*j + 14 = 6, 4*j + 16 = -5*k for k.

0

Solve 3*v = 2*h + 7, v = -0*v + 4*h + 19 for v.

-1

Solve 4*w + 5*c = 9*w, w + 4*c = 15 for w.

3

Solve 4*w - 2*f = 6, 2*w + f = -2*f + 7 for w.

2