Solve -22 = -2*v + 4*i - 40, 5*v = -2*i - 9 for v.

-3

Solve 4*d = 23*r - 25*r + 12, d = 3*r - 11 for r.

4

Solve 0 = -l - 2*x + 5 + 5, -3*l + 18 = 3*x for l.

2

Solve 5*p = 2*g - 23, -2*g - 4 = p + 3 for p.

-5

Solve 5*p - 31 = 2*d - 5, 2*d = 4*p - 22 for p.

4

Solve 0 = -2*f - 5*a + 7, -43*a + 42*a - 3 = -4*f for f.

1

Solve 0 = -5*t + 2*n + 25, 0 = 2*t + 5*n - 0 - 10 for t.

5

Solve -2*l - 4 = -3*d, 2 = 2*l - 0 for d.

2

Solve 3*o - 8*o - 4*k - 8 = 0, -2*o + 4*k - 20 = 0 for o.

-4

Solve 0 = 2*p + 3*c + 16 - 5, -c - 7 = 4*p for p.

-1