Solve 4*l + l + 31 = 4*r, 3*r + 5*l + 3 = 0 for r.

4

Solve 3*s - 4 = i, 0*i - 2 = -5*s - 3*i for s.

1

Solve 0 = -2*l + 4*j + 16, l + 2*j + 2*j + 10 = 0 for l.

2

Solve 31 = 3*k - j + 6*j, 3*j = k + 13 for k.

2

Solve -3*z + 2*z + 4 = 0, 9 = -3*r + 3*z for r.

1

Solve 4*y - 4*l = 0, 0 - 4 = -3*y + 4*l for y.

-4

Solve 6*k + 2 = 5*y, -3*y - 6*k + 21 = -3*k for y.

4

Solve 4*k = 4*n + 16, 0 = -4*n - 0*n - k - 1 for n.

-1

Solve -16 = 4*p + b, -3*b + 4*b = 2*p + 2 for p.

-3

Solve 3*o = -5*j + 11, 2*o + 3 - 11 = -4*j for j.

1