Let t(f) = f - 4. Let r be t(9). Let y = 5 - r. Suppose y*h - 4*h + 12 = 0. Solve -2*k - h = -13 for k.

Let d(q) = -q**2 - 10*q + 14. Let a be d(-11). Solve -r + a*r - 10 = 0 for r.

5

Let b be ⁹⁸⁄₂₁ - (-2)/(-3). Solve 4 = b*h - 8 for h.

3

Let x = -7 + 12. Let z = -6 + 8. Suppose -x*o = -z*o - 12. Solve n = o - 2 for n.

2

Let r = -34 - -47. Let o = -7 + r. Solve 0 = 3*y - 5*y - o for y.

-3

Let l be (-99)/165 - (-1 + ⁴⁄₁₀). Solve 7*q - 12*q = l for q.

0

Let v be (²⁄₂)/(⁴⁄₁₂₄). Suppose -3*k + y + v = 6*y, -5*y = -25. Solve k*f = 4 + 4 for f.

4

Let g(v) = v**2 - 5*v - 1. Let f be g(6). Suppose -f*k = -3*k - 24. Suppose 0 = -4*y + 5*i + 27, y + 3*i = 14 + 14. Solve -k = 5*t + y for t.

-5

Let h(w) = -w**2 + 15*w + 7. Let s be h(0). Let i be (²⁄₅)/((-1)/(-5)). Solve -d = s - i for d.

-5

Let s(w) = -3*w3 + w2 - 3*w + 23. Let z(f) = -4*f3 + 2*f2 - 4*f + 22. Let q(h) = 3*s(h) - 2*z(h). Let j be q(0). Solve -4*c = c - j for c.

5

Let p(o) = -o3 - 8*o2 - 8*o - 3. Let z be p(-7). Suppose 32 = 2*i + z*d - 0*d, 44 = 4*i + 4*d. Solve 4*x - i = x for x.

2