Let s be -2*((-13)/2 + 5). Solve -2*a + s = a for a.

Let l(b) = b. Let n be l(0). Let y = 20 + n. Solve 0 = -2*k - 2*k - y for k.

-5

Let v(d) be the second derivative of d⁵⁄₂₀ + d⁴⁄₃ + 2*d**2 - 2*d. Let i be v(-4). Solve -i*b = b for b.

0

Let d be 4*²⁄₈ + 2 + 0. Solve 0*u = -d*u + 15 for u.

5

Let n® = -9*r**3 - 2*r - 1. Let b be n(-1). Let m be b/(-15) - 47/(-3). Solve -4*x - m = 5 for x.

-5

Suppose 4*v - v - 15 = 0. Suppose -c - v = 4*c + 4*u, 0 = 5*c + 3*u. Solve -t = c*t for t.

0

Let c(u) be the third derivative of u⁷⁄₅₀₄₀ - u⁶⁄₁₂₀ - u⁵⁄₃₀ + 2*u2. Let d(s) be the third derivative of c(s). Let b be d(8). Solve b*n = -n for n.

0

Let i be 18 - 16 - (-5 - -1). Solve o = -o - i for o.

-3

Let p = -1 + -18. Let a = 23 + p. Let u = 4 - 2. Solve 0 = -a*b - u - 18 for b.

-5

Let h be 5(-3)/9-3. Let q = h + -4. Solve r - q = -4 for r.

-3

Let y(p) = -p + 10. Let b be y(7). Let w be b/(-2)*20/(-6). Solve 4*r - 3*r = -w for r.

-5