Solve -11*n + 11 = 3*r - 15*n, 0 = 4*r - 4*n - 12 for r.

1

Solve t + 6 = 5*y, 4*y + 0*y + 4*t = 0 for y.

1

Solve -3*n - 15 = -3*q - 0*n, 2*n = -q + 5 for q.

5

Solve 0 = 3*o - 4*r - 4, 3*r + 2 = o + r for o.

0

Solve 3*h = b - 0*b - 14, 2*h = -6 for b.

5

Solve -15 = 5*t, 4*t + 31 - 19 = j for j.

0

Solve 5*d + 22 = -2*n, 4*d + 0*d = -n - 17 for d.

-4

Solve 5*y - 9*y - 20 = 0, -2*y - 20 = -2*i for i.

5

Solve 0 = 4*c + 5*o - 25, 3*o = 13 + 2 for c.

0

Solve -2*r - 5*j = 19, -3*r + 2*j - 4 = 2*r for r.

-2