Solve l = 2*t - 13, -l - 15 = 2*l for t.

4

Solve -t + 16 = 4*l, -l - 2*l = 4*t + 1 for t.

-4

Solve 8*r - 30 = 3*r + h, 4*h + 15 = -r for r.

5

Solve -31*n = -32*n + 3*d - 5, 5*n + 2*d + 25 = 0 for n.

-5

Solve 5*u = 5*o - 6 - 14, 5*o = -3*u + 4 for u.

-2

Solve 4*w = 2*i - 30, 4*i + 3*w = -2*w - 5 for i.

5

Solve 5*v - 14 = 3*v - 2*g, 2 = -2*v + 2*g for v.

3

Solve -4*o + 6 = 2*h - 4*h, 6*o = h + 19 for h.

5

Solve -2*s + 78*u + 2 = 80*u, 5*s = 5*u - 35 for s.

-3

Solve 0 = 2*j - 6, -y = -3*y + 2*j - 6 for y.

0