Let f(v) be the third derivative of v**5/60 + v**4/24 + v**3/2 + 5*v**2. Let l be f(0). Solve -l*w = 2*w for w.

Let h = 1 + 3. Suppose -4 = -5*r - 2*i, 3*r - 5*i = h*r + 13. Let s be (1 + -2)/(r/(-40)). Solve 6*v - s = v for v.

4

Let f be 4*(-3)/(-12) - -3. Suppose 20 = -t + 2*t. Suppose 0 = -a + 12 - 3. Solve t = f*u - a*u for u.

-4

Let x(n) = -n2 + 1. Let i be x(-1). Let t(b) = b2 + 7. Let v be t(i). Suppose -4*q = -1 - v. Solve d = -q*d for d.

0

Let s be -2 + -2*(-2 - -4). Let g = s - -11. Suppose -4*u = -g*u. Solve u = -2*j + 10 - 2 for j.

4

Suppose -u - 20 = -3*u. Let x be 34/u - ⁴⁄₁₀. Suppose -h + 0*m = -5*m + x, -h = -m - 1. Solve -h*c - 1 = -7 for c.

3

Suppose 1 = -z + 6. Let f = 17 - z. Let l = f + -4. Solve -2 = -2*x - l for x.

-3

Let v = -12 + 15. Solve 0 = -2*x + 3 + v for x.

3

Suppose 2*t + 4*s + 6 = 0, 3*t - 5*s = -4*s - 9. Let r = 3 - t. Solve -r*u + u = 20 for u.

-4

Suppose 5*f = 15 - 0. Let y(d) = d**2 + d. Let z be y(-4). Suppose 0 = f*b + b - z. Solve -2 = -b*c + 1 for c.

1

Let z = -5 - -8. Let v = 1 + 9. Solve -r + v = -z*r for r.

-5