Solve 15 = 5*l, 8*l - 13 = -2*s + 7*l for s.

5

Solve 4*d = 4*w - 19 + 15, d + 7 = -2*w for w.

-2

Solve -4*u = 3*a + 32, 5*u - 3*a + 45 = -8*a for u.

-5

Solve 28 = 4*h - 2*b, -4*b - 35 = -4*h - h for h.

7

Solve -4*t - 17 = -x, -7 = -3*x + t - 0 for x.

1

Solve 16 = -4*w + p, w - 14 + 9 = -2*p for w.

-3

Solve 0 = -4*o - 4*d + 8, -3*o - 1 = -2*d + 8 for o.

-1

Solve 0 = 3*k - 2*n - 3, -4*k + 3*n = -1 - 4 for k.

-1

Solve -3*y - 19 = -4*n, 0 = -5*n + 6*y - 10*y - 15 for n.

1

Solve -3*d - d + 4*w - 32 = 0, 0 = -2*d - 4*w + 14 for d.

-3