Let r(x) be the first derivative of x**5/60 + x**4/3 - x**2/2 + 1. Let n(z) be the second derivative of r(z). Let o be n(-8). Solve -4*k + o*k + 4 = 0 for k.

Let u(d) be the second derivative of d⁵⁄₂₀ + 2*d⁴⁄₃ + d3 - 4*d2 + 3*d. Let n be u(-6). Solve n = 5*r + 8 for r.

4

Suppose 3*h - 2*f - 12 = 0, 3*h - 2*f = 3*f + 21. Solve d = h*d - 5 for d.

5

Let u(v) = v3 + 6*v2 + 8*v - 3. Let t be u(-3). Suppose 5*n = 10 + 10. Solve t*g = n*g - 16 for g.

4

Let y© = -c**2 - 12*c + 1. Let v be y(-10). Let u = 23 - v. Solve -u*n = -5*n - 9 for n.

-3

Let n be 30/(-12) - 1/(-2). Let j be 1/n*(1 - 1). Let i = 3 + j. Solve 0 = g + 2*g + i for g.

-1

Suppose -6*z + 6 = -4*z. Suppose -z*w + 15 = 2*w. Solve w*y - 6*y = -3 for y.

1

Let b(n) = 2*n3 - 13*n2 + 8*n - 5. Let r be b(6). Solve 5*l - r = -32 for l.

-5

Let h(i) be the third derivative of -3*i2 - ¹⁄₁₂₀*i6 - ¹⁄₈*i4 - ¹⁄₃₀*i5 + 0 - ¹⁄₃*i**3 + 0*i. Let b be h(-2). Solve -b = f + 1 for f.

-5

Suppose -3*p = -p - 10. Solve 1 + p = 2*x for x.

3

Let w(t) = t3 + 8*t2 - 12*t + 3*t - 5 - t. Let k be w(-9). Solve -2*l + 6 - k = 0 for l.

1