Solve 3*l = -5*s - 6, 2*l - 5*s + 9 = -10*s for l.

3

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

0

Solve 0 = 4*v - 2*z + 4*z + 2, 3*v + 2*z = -1 for v.

-1

Solve n - 5*x = -20, 3*n - 2*x + 6*x = 35 for n.

5

Solve -2*f - 2*j - 16 = 0, -51*f + 53*f - 2*j = 0 for f.

-4

Solve 0 = -r + v + 8 - 2, -5*r - v + 6 = 0 for r.

2

Solve 4*k = p - 4, 16*p = -2*k + 13*p + 12 for k.

0

Solve 0 = -2*l + p - 1, 2 + 3 = 5*l - p for l.

2

Solve -4*q - 2*m = -10, 16*q - m = 14*q - 5 for q.

0

Solve 0 = -4*a + 3*c - 19, -a = 4*a - 2*c + 15 for a.

-1