Suppose -5*u - 9 = -4*v - 4*u, 3*u - 9 = 0. Suppose v = 5*d - q + 7, 4*d = -5*q + 20. Solve -2*z + z = d for z.

Suppose -5*l - 3*o = -6, l - 5*o = 10 + 8. Solve m + 0 = l for m.

3

Suppose -2*r + 6 + 2 = 3*d, -2*r + 16 = -d. Solve 2*s - r*s + 25 = 0 for s.

5

Let d(m) = -m3 + 9*m2 + m - 6. Suppose -s - 4*a = -a - 18, 2*s - 5*a - 3 = 0. Let p be d(s). Solve v + 4 = p*v for v.

2

Let p = -21 - -38. Solve -4*n = 1 - p for n.

4

Let o(l) be the third derivative of l⁶⁄₁₂₀ + 7*l⁵⁄₆₀ - l⁴⁄₁₂ + l3 + 3*l**2. Let s be o(-7). Solve 0*a = 4*a - s for a.

5

Let y = 17 - 12. Solve 4 + 11 = y*u for u.

3

Let f be (-1)/((-2)/4) + 2. Suppose f*c + 16 = 2*s + 4, -5*c = 4*s + 15. Solve g = -s - 5 for g.

-5

Suppose 0 = 5*m - 27 - 18. Solve -2*h - h = m for h.

-3

Let o(m) = m3 + 8*m2 + 6*m - 4. Let l be o(-7). Suppose 0*b + 18 = l*b. Solve -p = -4*p - b for p.

-2

Let o = 9 + -6. Let s be (-1)/3 - o/(-9). Solve s*d + 5*d = 20 for d.

4