Let q be (-21)/(-2) - 2/(-4). Let l(k) be the first derivative of -k**4/4 + k**3 + 3*k**2 - 6*k - 1. Let j be l(4). Solve j = -3*u + q for u.

Let u(i) be the first derivative of i³⁄₆ + i²⁄₂ - 2*i + 3. Let x(z) be the first derivative of u(z). Let s be x(7). Solve -7*f = -3*f - s for f.

2

Suppose -4 = -3*j + j. Suppose -6 = j*m - 5*o, 2*o = 3*m - 0*o - 2. Suppose -15 = -m*z - 5. Solve 0*n - z = -n for n.

5

Suppose 0 = -h - h + 4. Suppose 0 = -h*v - 4*b + 24, -b + 5*b - 36 = -5*v. Solve -w - v = -6 for w.

2

Suppose -5*v - 11 - 9 = 0. Let d be (2/v)/((-2)/8). Suppose 5*m = d*f + 16 + 13, 0 = -2*m - 4*f + 2. Solve -s = -6*s + m for s.

1

Let k = 4 - 2. Suppose x = -2*x + 12. Solve x = 2*i - k for i.

3

Let g = -8 - -16. Solve 0 = -4*o + g - 0 for o.

2

Let b = 11 + -6. Solve -o = -1 + b for o.

-4

Let b be 15/(-75) - (-2)/10. Solve b = u - 4 + 3 for u.

1

Let h = 162 - 147. Solve 0 = -5*a - 0*a + h for a.

3

Let x(n) = n**2 - 8*n - 4. Let i be x(6). Let f = 19 + i. Solve f*g + 25 = -2*g for g.

-5