Suppose 3*o - 5*u = 30, 0 = -3*o + o + u + 20. Let m be (-4)/18 - (-274)/18. Solve m = -5*n - o for n.

Suppose -5*d - 25 = -5*z, 5*d + 0*d = -25. Solve 3*o - o - 10 = z for o.

5

Let z(u) be the second derivative of u⁵⁄₁₅ - u³⁄₆ - u**2 + u. Let h(a) be the first derivative of z(a). Let v be h(1). Solve 2*n - v = n for n.

3

Let n(l) = -2*l + 1. Let j be n(-1). Solve 13 - 1 = j*a for a.

4

Let c be 1/(³⁄₆) + 2. Suppose 0 = n - 11 - 1. Suppose -4*u = n, -3*z + 4*z + 5*u = 0. Solve -z = b - c*b for b.

5

Let g(b) = -b3 - 5*b2 - 4*b - 2. Let t be g(-3). Let r be 92/(-16) - (-2)/t. Let p be (r/4)/(9/(-12)). Solve -4*a = p + 2 for a.

-1

Let s(p) = p. Let o be (-1 - (-1 - 2))/1. Let t be s(o). Solve 3 = -u - t*u for u.

-1

Suppose -6*o = -3*o - 48. Suppose -3*n + o = n. Suppose 0 = l + n*l - 2*a - 38, 0 = 4*l + a - 33. Solve l*k = 3*k - 10 for k.

-2

Let c be 1/(²²⁄₂₀ + -1). Suppose 4*r - 15 = r. Suppose 0 = -r*g + 4 + 6. Solve 7*f - c = g*f for f.

2

Let d be (-1800)/(-700) - (-8)/(-14). Let t be 0/(-2) + -1 + 3. Solve t*l = -d*l - 16 for l.

-4

Let j(q) = -q3 + 6*q2 + 3*q + 7. Let v be j(6). Suppose -2*k = 3*k - v. Suppose 4*t - 3*t = -k*a - 1, -2 = 2*t. Solve a = 2*u - 7*u for u.

0