Solve -6 = -v - 2*r, -2*v - 4*r + 7*r = 16 for v.

-2

Solve 8*y + 31 = 7*y + 10*d, 3*y - 4*d = -15 for y.

-1

Solve -4*l - 4*c + 4 = -8, 0 = 3*l - 5*c - 9 for l.

3

Solve -4*f = u - 1 - 8, 3*f - 3 = 0 for u.

5

Solve 2*q + 22 = -2*o, 4*q + 9 = -11 for o.

-6

Solve 0 = 4*l + 2*r - 5*r - 7, -2*r - 10 = 0 for l.

-2

Solve 0 = -4*j - 2*l - 20, -9*l + 3 = -5*j - 6*l for j.

-3

Solve 0 = -g + 2*f, 0*g + 4*g - 5*f - 6 = 0 for g.

4

Solve -4*d = 5*w - 80 + 99, 0 = -w - 3 for d.

-1

Solve -5*l + 2 = 2*q + 22, 12 = -2*l for q.

5