Let t = -7 - -11. Let j be (-18 + 0)/(7 + -6). Let o = j + 36. Solve t*r - 2 = -o for r.

Suppose -2*q = -6*q. Suppose 4*v = y - v + 7, q = 3*y + 3*v - 15. Solve 0 = -y*l + 2*l for l.

0

Suppose -6*n + 25 = -3*i - n, 25 = i + 5*n. Let y be (4/(-6))/((-4)/30). Solve i*k = y*k for k.

0

Let a be (-1)/(-2*(-4)/(-40)). Let h = 0 - -2. Solve h*n - n = -a for n.

-5

Let m = -14 + 14. Solve 3*l + l + 16 = m for l.

-4

Let l® be the third derivative of r⁵⁄₆₀ - r⁴⁄₂₄ - 4*r**2. Let b be l(2). Solve -b = i + 3 for i.

-5

Let m = -18 - -20. Solve 0 = -0*k + m*k + 8 for k.

-4

Let k = 9 - 4. Let w(x) = x3 + k - 1 + x2 - 9*x**2 - 9*x - 3. Let n be w(9). Solve -4*z = 11 + n for z.

-3

Let l(q) = -q3 + 14*q2 + 14*q + 18. Let m be l(15). Suppose r - 2*r = 0. Let u(x) = -x3 - 2*x2 + 4*x - 1. Let j be u(-4). Solve r*d + j = m*d for d.

5

Suppose 5*r - 3*a - 25 = 0, 0 = -2*r + 5*a + 19 + 10. Suppose 0 = s + 3, -4*s = -3*h - r*s + 6. Solve l = -h*l + 3 for l.

3

Let i(a) = -a3 - a2 - a + 3. Let u(v) = -5 + v + 0*v + 0*v. Let y be u(5). Let h be i(y). Solve 0*g = h*g for g.

0