Solve 2*h + 2*r = 0, 0 = -5*h - r - 7 - 9 for h.

-4

Solve 3*c = -4*b + 20, 3*c + 4*b = -c + 20 for c.

0

Solve -6*v + 2*v = 3*l - 22, 0 = -3*v - 3*l + 18 for v.

4

Solve 3*w - 2 = 17*a - 15*a, 4*w - 8 = 4*a for a.

-4

Solve -3*c - 176 = 4*i - 157, 4*c + 12 = -2*i for c.

-1

Solve o + 4*b + 18 = 0, 2*o + 0*b + 11 = -3*b for o.

2

Solve 9 = -s - 4*f, 3*s + 2*s = -2*f + 9 for s.

3

Solve 4*m + 3*y = 0, 7*m = -4*y + 5*y for m.

0

Solve 9 - 49 = 5*t + 3*g, -4*t = g + 25 for t.

-5

Solve -5*i + 21 = -s, 0*s - i + 17 = 3*s for s.

4