Suppose -2*d = -0*d. Suppose d = p + 4*p. Solve p = -2*f + 3 + 5 for f.

Suppose -8 + 23 = 3*d. Solve d*s = 3*s + 4 for s.

2

Let l = 9 + 11. Solve -q = 3*q + l for q.

-5

Let f(v) be the second derivative of -v⁵⁄₂₀ + v⁴⁄₄ + v³⁄₃ - 3*v²⁄₂ + 5*v. Let s be f(3). Solve -5 - s = 4*o for o.

-2

Let t(n) = -n3 - 9*n2 - 10*n - 7. Let f be t(-8). Suppose -9 + 3 = 2*d + 2*y, 0 = -d - 2*y - 8. Solve u = -d*u + f for u.

3

Let n(p) = -p + 7. Suppose -4*j + 32 = 4. Suppose 25 = -2*c + j*c. Let y be n©. Solve 0 = 3*h + y*h for h.

0

Let t be 1 + 1 - (-3 + 0). Suppose -4*u + 5 = t*b, -u + 3*b + 24 = 2*u. Suppose u*f - 10 = -0. Solve -2*l = f*l for l.

0

Let y(b) = b**2 + 4*b. Let a be y(-5). Suppose -20 = -5*f - 4*i, f + a*i + 6 - 31 = 0. Suppose -3*t + 19 - 7 = 0. Solve -5*r - t - 21 = f for r.

-5

Suppose 4*x - 20 = -0*x. Let r(b) = -b2 - 5*b - 4. Let t(z) = -z3 - 6*z**2 + 2*z + 9. Let d be t(-6). Let w be r(d). Solve w*h = x*h for h.

0

Suppose 0 = w + r + 1, 0 = r + 4 - 1. Solve 0 = 7*k - w*k + 20 for k.

-4

Suppose 4*v - 14 = f, -4*v = -0*f + 2*f - 32. Suppose f*m = m. Solve -5*y + m*y = -20 for y.

4