Suppose 20 = 5*f + 4*x - 2*x, 0 = f + 4*x + 14. Solve s - f*s + 25 = 0 for s.

Let z(l) = -4*l. Let r be z(-1). Solve 7*u = r*u for u.

0

Suppose 7 + 5 = 3*q. Solve q*z - 8*z - 12 = 0 for z.

-3

Let p(u) = u**2 + 4*u - 3. Let t be p(-6). Suppose 0 = 4*n + b + 50, 3*b - t = 2*n + 9. Let s(w) = -w - 9. Let d be s(n). Solve l - 20 = -d*l for l.

5

Let b(q) = -q3 - 6*q2 + 6*q - 3. Let r be b(-7). Solve 0 + 20 = -r*u for u.

-5

Suppose -5*p + 13 = 5*l + 3, 0 = 2*l - 5*p - 39. Let b be -3 + l + (1 - 0). Solve -b = z - 3 for z.

-2

Let p = -2 - -3. Let j = 26 - 23. Solve 2*x + p = -j for x.

-2

Let g(d) be the first derivative of -¹⁄₄*d4 + ⁴⁄₃*d3 + 2 + 4*d**2 - 5*d. Let m be g(5). Solve q - m = -q for q.

5

Suppose n - 3 + 0 = 0, 15 = 5*v + 5*n. Solve 4*m - 8*m - 8 = v for m.

-2

Let s(u) be the first derivative of u³⁄₃ + 9*u²⁄₂ + 10*u + 1. Let w be s(-8). Solve q + 3 = w*q for q.

3

Let i = 180 + -180. Solve -3*s = -i*s + 12 for s.

-4