Solve -15 = -3*d - 3*q, -22*d + 16*d - 2*q + 18 = 0 for d.

2

Solve 0*q + 2*t + 8 = 2*q, -3*q - 4*t + 5 = 0 for q.

3

Solve 2*y + 18 = 5*l + 1, -2*l + 2 = -2*y for l.

5

Solve -6 = -s + 2*s + 3*z, s + 4*z = -7 for s.

-3

Solve 2*f + 5*j = 3 - 2, 2*f - 4*j - 10 = 0 for f.

3

Solve 0 = 2*v + 2*x - 5*x + 20, 5*v - 3*x = -32 for v.

-4

Solve 3*s - 2 = 5*z + 6, -z - 4 = 0 for s.

-4

Solve -4*g + 9 = 2*k + 1, 4*g = 16 for k.

-4

Solve 0 = -3*q + 7*p - 2*p + 19, -3*q + 4*p = -14 for q.

-2

Solve -2 = -2*n - 4*o, 5*n - 6*n = -4*o - 7 for n.

3