Let n(v) = -v**2 - 3*v. Let i be n(-2). Solve 18 = -4*u + i for u.

Let z = -35 - -38. Solve -d + 20 = z*d for d.

5

Suppose -4*r - 7*w = -2*w - 17, -4*w - 4 = r. Solve -j + r = -5*j for j.

-2

Suppose -4*f = -f + t - 153, -3*f = -4*t - 153. Suppose -2*y - 9 = -f. Suppose y + 0 = 3*r + 3*u, -2*r + 3*u + 9 = 0. Solve 0 = 2*c + c + r for c.

-2

Suppose 0*o = -o. Suppose -p - 4 + 17 = o. Suppose 4*m + 28 = 4*g, 4*m - 3*m + p = 4*g. Solve -y = g*y + 12 for y.

-4

Let u be (¹⁵⁄₉)/(1/(-3)). Let a(d) be the second derivative of d⁵⁄₂₀ + 5*d⁴⁄₁₂ - 2*d³⁄₃ + d²⁄₂ - d. Let l be a(u). Solve -l = 5*b - 1 for b.

-4

Let h be 6/(1/(-2) - -2). Let y = 1 - -5. Solve -h*l + y = -l for l.

2

Let b(h) = -5*h - 4. Let t be b(-2). Solve -2 - t = -2*o for o.

4

Let c be -2 - (16/(-6))/(²⁄₃). Solve 5*t - 3 = c for t.

1

Let h be (5 - 3 - 4) + 6. Solve -5*y + h*y + 1 = 0 for y.

1

Let l = -9 + 14. Solve 3 = l*h + 28 for h.

-5