Solve d - 9 = -3*s, 2*d + 0*d - s - 4 = 0 for d.

3

Solve 0 = -3*l + 3*r + 24, -5*r + r = -l + 23 for l.

3

Solve 2 = 5*i - q + 22, 4*i - 2*q = -10 for i.

-5

Solve 3*i = -5*y + 52 - 30, 2*y = -5*i + 24 for y.

2

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

0

Solve -16*i + 2*o + 36 = -11*i, 0 = -4*i - 3*o + 15 for i.

6

Solve 2*h = 4*i - 8, -2*i - 9 = -7*i + 3*h for i.

3

Solve -5*h = 0, 47*q + 4*h = 43*q + 12 for q.

3

Solve 0 = -3*i - 5*s + 3*s - 7, 5*i + 4*s + 13 = 0 for i.

-1

Solve 4*q + w - 7 = 0, -41*w - 35 = -5*q - 37*w for q.

3