Let b(a) = -a**3 - 9*a**2 + 3*a + 30. Let h be b(-9). Solve -h*r - r = -20 for r.

Let f(v) be the third derivative of v⁵⁄₆₀ + v⁴⁄₂₄ + v³⁄₂ + 5*v2. Let l be f(0). Solve -l*w = 2*w for w.

0

Let u be (1/(-2))/(2/(-20)). Let j = -307 + 310. Solve j*q - 2 = u*q for q.

-1

Let f = -6 - -8. Suppose 0 = 2*q - q - 9. Let z be (-2)/(-3) + (-6)/q. Solve z = f*l + 2 - 12 for l.

5

Let c be (-3)/2 - (-38)/4. Let z = 8 - c. Solve -m + 4*m = z for m.

0

Let i(k) = -k**2 - 2*k + 8. Let d be i(2). Let j(b) = -2*b - 8. Let a be j(-6). Solve d = -5*z - 21 - a for z.

-5

Suppose -t = -3*u + 8, 0*u - 2*t = 4*u - 4. Suppose u*x + 0*x - 4 = 0. Let p be ⁴⁵⁄₆ + 1/x. Solve -5*a + 7 + p = 0 for a.

3

Let l(k) be the second derivative of -k⁴⁄₁₂ + k³⁄₂ - k**2 + k. Let r be l(2). Solve r*u + u - 2 = 0 for u.

2

Let b be -4 - 12*(-4 + 3). Let t(k) = -k3 - 8*k2 + k + 8. Let s be t(-8). Solve s = -0*l - 2*l - b for l.

-4

Let l = 22 + -14. Suppose 0 = -2*c + 2 + l. Solve -13 = 2*q - c for q.

-4

Let a be (-3)/6*-6 + -9. Let y = a + 9. Solve -y*n = -0*n - 15 for n.

5