Let i(s) = -s**2 + s - 7. Let w be i(0). Let q be w/21 - (-38)/6. Solve 3*x - x + q = 0 for x.

Let z(u) = u3 + 10*u2 + 19*u - 2. Let k be z(-7). Suppose -4*c - b + 10 = -4*b, b - 6 = -c. Solve -c*n = -n + k for n.

-4

Suppose -4*d - 3 = -11. Solve -2*a + 0 = -d for a.

1

Let z be (-1)/3 + ⁸⁰⁄₆. Let d = 9 + -4. Solve -d = -2*u - z for u.

-4

Let j(k) be the second derivative of k⁴⁄₂₄ - k³⁄₃ - k**2 - 4*k. Let v(x) be the first derivative of j(x). Let l be v(6). Solve -5*y - 6 - l = 0 for y.

-2

Let j(f) = f3 - 5*f2 + 3*f + 4. Let m be j(4). Let y be m + 1 - (-1 + -13). Suppose -8*v + 21 = -v. Solve -v*b + 0*b = -y for b.

5

Let u(l) = l**3. Suppose -3*j - 7 + 19 = -3*g, -5*j - 4 = g. Let o be u(j). Suppose -3*y + y = o. Solve -4*z - 2 + 10 = y for z.

2

Let n(p) = 1 - 2 - 7*p - 14*p. Let f be n(-1). Solve 4*d - 8*d + f = 0 for d.

5

Let q = 24 + -24. Solve q = 3*z + 2*z - 25 for z.

5

Let f = -320 - -470. Let z be (1 - 0)/(6/f). Solve 7*o = 2*o + z for o.

5

Let d(b) = 5 - 4*b - 9*b + b**2 + 0 + 0*b. Let t be d(13). Solve t*x - 2 = -12 for x.

-2