Let o(r) be the first derivative of r**2 - 2*r - 1. Let d be o(2). Suppose -d*m - 2 = -10. Solve 0 = m*i - 2*i - 2 for i.

Let d be (-11)/2 - 2/(-4). Let n® = r**2 + 3*r - 2. Let i be n(d). Solve 4*u + 0 = i for u.

2

Let h = 19 - 19. Solve 5*w - 15 = -h*w for w.

3

Let z = -8 - -9. Solve k + 0*k - z = 0 for k.

1

Let d be 0/(1 + 2) - -1. Let y = 1 + d. Solve 1 = v - y*v for v.

-1

Let d(j) be the second derivative of ²⁄₃*j4 - ¹⁄₆*j3 - 2*j + 0 - ¹⁄₂₀*j5 + 4*j2. Let x be d(8). Solve x*c - 4 = c for c.

-4

Suppose -5*s = s - 30. Solve 4*x + s = -x for x.

-1

Suppose 56 = 5*o - 4. Solve 0 = -3*z - o - 0 for z.

-4

Let f(h) = h**2 - 13*h + 25. Let i be f(11). Solve -t = i*t - 12 for t.

3

Let j be -3 - (-2 + 4/(-2)). Let y be (1 + j)/(⁴⁄₄). Solve w - y = -3 for w.

-1

Let s = 4 - -1. Solve -s*q - 12 = -2*q for q.

-4