Let z(a) be the second derivative of a3⁄3 - a2 + 4*a. Let w be z(4). Solve -x - 20 = -w*x for x.

4

Suppose 0 = 5*l - 7*l + 8. Suppose -30 = -l*r - r. Let u = r - 1. Solve 0 = w - 2*w - u for w.

-5

Suppose 1 = -4*m + 17. Suppose 5*s - 15 = -5*f, m*s = 5 - 1. Solve -f*o + 7*o - 10 = 0 for o.

2

Let z be (-96)/(-64)*8*1. Solve -z*y = -13*y + 2 for y.

2

Suppose -4*t - t = -3*z + 106, -3*t - 58 = z. Let m be 0/(2/(-1)) - t. Solve 3*y + y - m = 0 for y.

5

Let j(q) = -2*q3 + 9*q2 + 4q + 5. Let d be j(5). Let y be (-2)/5(-20)/2. Solve 2*n - n - y = d for n.

4

Suppose 29*l - 25*l = 12. Solve -2*v = 3 + l for v.

-3

Let n(f) = -2*f**2 - 4*f - 4. Let r be n(-3). Let u be 24/(-15)*r/4. Solve 3*c - u = -c for c.

1

Let a be 4/(-18) + (-58)/(-18). Suppose a*t - 10 = t. Solve 4*z + z = -t for z.

-1

Suppose 4*w - 2 = 2*p + 6, 8 = -2*p. Suppose 2*c - 2*o - 10 = w, 3*o - 7*o = c + 10. Solve -c*q = -q for q.

0