Let r = -21 - -16. Let o(g) = -g**2 - 6*g - 2. Let h be o(r). Solve 0 = h*x - 9 for x.

Suppose -2*d = -2*k - 3*d + 9, -2*k + d = -11. Solve 0 = k*h - 0*h for h.

0

Suppose 2*k - k = 0. Suppose 3*g = -k*g + 69. Let m(o) = 2*o - 3. Let s be m(4). Solve s*v - g + 3 = 0 for v.

4

Let t be (⁹⁄₁₂)/(-3 + (-49)/(-16)). Solve 5*m - t = 2*m for m.

4

Let l = 8 + -18. Let g be l/(-4) - ¹⁄₂. Solve -1 = n - g for n.

1

Suppose 0*j + j - 2*x = 37, -3*j + 3*x = -102. Suppose 5*i = 4*o - j, i = -5*o - 3*i + 8. Solve -o*t = -2*t + 2 for t.

-1

Let a(f) be the second derivative of f⁵⁄₂₀ + f³⁄₆ + f**²⁄₂ - 3*f. Let n be a(0). Let q(o) = 8*o. Let t be q(n). Solve l + l = -t for l.

-4

Let l(n) = n3 - 2*n2 + n - 2. Let k be l(2). Let y(w) = -w3 - 6*w2 + 3. Let s be y(-6). Solve k = x - s for x.

3

Let l = 1 + -2. Suppose 5*p = -4*r - 1, 5*p - 2*r = 3*r - 10. Let i be (-1 - p)*l/2. Solve g = -i*g + 4 for g.

4

Suppose 12 = -5*f - 3. Let p® = -r**2 - 4*r + 1. Let g be p(f). Solve 0 = 2*a + g for a.

-2

Let m(w) = -2*w**2 - 10*w - 9. Let j be m(-6). Let q = j + 33. Solve 4*r = -0*r - q for r.

-3