Solve -2*q + 21*d + 99 = 0, 0 = 2*d + 10 - 0 for q.

-3

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

2

Solve -4*m = -4*b + 24, 12*m = -3*b + 16*m + 19 for b.

5

Solve 2*l + 2 = -q, 11*q - 4*l = 14*q for q.

4

Solve -2*c + 33 = 5*v, 0*v + 4*c = 4*v - 4 for v.

5

Solve 5*b = -4*t + 25 - 4, -2*t = 4*b - 18 for t.

-1

Solve 2*s = -5*l + 6, -4*l = -2*s + s - 10 for s.

-2

Solve -p - 6 = 3*l, 3*l = -2*l + p - 18 for l.

-3

Solve -2*t - 26 = 5*b, 6*t + 3*b + 9 = 7*t for t.

-3

Solve -14 = -f + 5*a, 29*f - 28*f - 2 = -a for f.

4