Let k(s) = -s - 28. Let l be k(-10). Let i = -11 - l. Solve 0 = -i*b + 2*b + 15 for b.

Let j = 10 + -7. Let y = 2 - 2. Let l(b) = -b + 2. Let g be l(y). Solve g*r + j*r - 15 = 0 for r.

3

Let p be ((-3)/3 + -9)/(-2). Solve 4*u - p*u = -3 for u.

3

Let v(z) be the second derivative of -z⁵⁄₂₀ + 5*z⁴⁄₁₂ - 2*z. Let h be v(5). Solve -6 = -h*r - 3*r for r.

2

Suppose v - 7 + 0 = -3*m, -4*m = 5*v - 13. Solve 0 = 3*x - 4 + v for x.

1

Let b(k) = 3*k**2 - k. Let t be b(1). Suppose l = t*l. Suppose l = -3*i - 0*i + 27. Solve -3*g = -i - 3 for g.

4

Let u(a) be the second derivative of -a⁵⁄₂₀ - a⁴⁄₆ + a³⁄₃ + a²⁄₂ + 2*a. Let c be u(-3). Let t(j) = j + 1. Let k be t(2). Solve 8 = -k*d - c for d.

-4

Suppose 0 = -d - f + 7, -3*d = -2*d - 3*f + 13. Solve 0 = n + d*n - 9 for n.

3

Let j(w) = w3 - 13*w2 + w - 5. Suppose 3*q = 16 + 23. Let m be j(q). Solve -5*h = -m - 7 for h.

3

Let b(s) = s**2 - s + 3. Let g(f) = -f + 3. Let t be g(3). Let j be b(t). Solve j = -2*d + 5 for d.

1

Suppose 0 = -3*m + 3*d + 9, -5*m = 4*d - 15 - 0. Let y be m + 1 + (1 - 3). Let i = 1 + y. Solve -i*k = k + 16 for k.

-4