Let n(l) = l**3 - 12*l**2 - 12*l - 13. Let z be n(13). Suppose z = -i - y + 7, -5*i + 2*y + 6 = -3*i. Solve -6 = -i*a + 19 for a.

Let o© = -c3 - 7*c2 + 7*c - 6. Let z be o(-8). Let l be (-7)/(-5) - z/5. Solve -l = -5*t - 26 for t.

-5

Suppose -2 = 4*t - 10. Suppose 5*x - 4*m - 41 = 0, x + 3 = -t*m - 0*m. Solve -x*k + 23 = 3 for k.

4

Let a(q) be the first derivative of -q**²⁄₂ + 7*q - 1. Let r be a(7). Solve r*z + 15 = 3*z for z.

5

Let u be ⁴⁄₁₈ - (-18)/(-81). Solve u = 3*z + 2 + 1 for z.

-1

Let c be 40/(-6) + ⁶⁄₉. Let s(a) = -a3 - 6*a2 - 3*a - 6. Let y be s©. Let m(j) = -j3 - 17*j2 - 16*j + 4. Let w be m(-16). Solve -w*h + y = -h for h.

4

Suppose -1 - 3 = l, 5*a = -5*l - 20. Let r(o) = -o3 - 3*o2 + 5*o + 6. Let z = -9 - -5. Let y be r(z). Solve a = -4*i + y*i for i.

0

Suppose -3*q - 5*l = -10, -2*q + 15 = -q + 4*l. Let y(g) = g + 2. Let i be y(-7). Let x = i - q. Solve 4*u - u - 9 = x for u.

3

Let b(f) = -2*f - 16. Let c be b(-13). Solve 2*g + c = 4*g for g.

5

Let k be -1 + -3 + ⁴⁴⁄₁₁. Solve -5*n + 12 + 13 = k for n.

5

Suppose 2*m + 3*h - 6 = 0, -h = 4*m + h - 4. Solve 2*u + m + 6 = 0 for u.

-3