Let k = -10 + 8. Let t be k/(-6) + (-42)/(-9). Suppose -2*o + t + 1 = 0. Solve o*f = 7*f - 4 for f.

Let t(f) = f3 + 3*f2 - 7f - 6. Let u be t(-4). Let n be 6(-3)/u*-1. Solve 0 = -n*c - 0 + 9 for c.

3

Let l(p) = -2*p3 - 2*p2 + 2*p. Let f be l(-2). Suppose j + f*j + 10 = 0, -n + 3*j + 8 = 0. Solve -6 = -n*r + 5*r for r.

-2

Let c = 15 + -15. Solve c = -3*k + 6 - 3 for k.

1

Let j(n) = -n + 24. Let y be j(0). Suppose -3*k = -7*k + y. Let r(a) = -a3 + 7*a2 - 2*a - 4. Let c be r(k). Solve u = 5*u - c for u.

5

Let r = 1 + 3. Suppose -5*f = 2*h - 75, -72 = 4*h - 3*f - 209. Let i be 6/(-21) + 115/h. Solve r*s - 15 + i = 0 for s.

3

Let w be (-8)/(-36) + (-133)/(-9). Let x = w - 13. Solve d + 2 = x*d for d.

2

Let v = -1 + 0. Let h be ¹⁶⁄₆ + v/(-3). Solve -w + 20 = h*w for w.

5

Suppose 5*o - 8 = 7. Suppose 3*n - 9 = o. Solve 2*c - 4*c = n for c.

-2

Let u(n) = -n - 1. Let l be u(3). Let z be (-2)/l + (-7)/2. Let g = -1 - z. Solve 2*s - s = -g for s.

-2

Let j(q) be the second derivative of q⁴⁄₆ - q²⁄₂ - 4*q. Suppose x = -5*c - 6 - 2, 9 = -3*x. Let m be j©. Solve -m = -2*r - 9 for r.

-4