Let u(d) be the second derivative of d**5/20 + 2*d**4/3 + d**3 - 4*d**2 + 3*d. Let n be u(-6). Solve n = 5*r + 8 for r.

Suppose 0 = 2*u - 2*z + 2, -u + 11 = 3*z. Suppose -u*g + 10 = -2*v, 5*g + 5 = -2*v - 3*v. Solve 0 = g*a + 2 - 10 for a.

4

Let j = 17 + -14. Solve d + j = 1 for d.

-2

Let x be 1 + (1 + -2)*2. Let t be (x + -1)/((-1)/1). Suppose -3*r - t*r = 2*u - 19, -4*r - 5*u + 22 = 0. Solve -r = -k - 2 for k.

1

Let n(d) = d2 - 6*d + 0*d2 + 3 + 4*d. Let w be n(2). Solve 5*h - 2 - w = 0 for h.

1

Let y be 1 - (-1)/1*1. Solve 6*r - 20 = y*r for r.

5

Suppose c = -4*c. Solve c = -5*i + 10*i - 20 for i.

4

Let r = -14 + 18. Solve 3*m + 5 = r*m for m.

5

Let k(v) be the second derivative of -v⁵⁄₂₀ - v⁴⁄₂ + 4*v³⁄₃ + 7*v²⁄₂ - 2*v. Let x be k(-7). Suppose x = 4*q - 2*q. Solve -m - 4 - 1 = q for m.

-5

Suppose -2*l = -5*b - 42, 0*b = -b + 2*l - 10. Let c = 9 + b. Solve n - 2 = c for n.

3

Suppose -6*b + 24 = -b + t, -4*t + 12 = -b. Solve -b*u + 3*u = 3 for u.

-3