Let d(v) = v3 - v2 - 4*v + 4. Let x be d(3). Solve -4*a - x - 6 = 0 for a.

-4

Let b be (1/(-2))/(3/(-30)). Let u be 24 - 13/(-2). Let x = 13 + 0. Solve b*v - u = x for v.

4

Let p(n) be the second derivative of -n520 + 11*n412 - n36 + 11*n22 + 4*n. Let o be p(11). Solve 4*a - 12 = -o for a.

3

Suppose -l + 12 = 2*l. Solve 3*i - l = -i for i.

1

Let g = -10 + 20. Let z be (72/g)/((-3)/(-10)). Let y be (-18)/z + (-86)/(-8). Solve 0 = 3*t - t + y for t.

-5

Suppose j - 14 = -3. Let a = j - 9. Solve -w + 0 + a = 0 for w.

2

Let w = -4 + 3. Let p® = -12*r**3 + r. Let y be p(w). Solve 5*k + 9 = -y for k.

-4

Let d be (-1 + 1*6)*1. Suppose -5*n = p - 26 - 3, -13 = -d*n + 3*p. Suppose -2*q - n = k, 1 = 4*q + k + 6. Solve 0 = -2*f - q*f + 10 for f.

5

Let r(n) = -n3 - 5*n2 - n. Let t be r(-5). Suppose u + 40 = t*u. Solve -z = z + u for z.

-5

Suppose 4*k - 4 = -2*n + 2*k, 4*n - 4*k - 16 = 0. Suppose -n*x + 53 = -2*o, 0*x + 5*o + 35 = x. Solve t + x = -2*t for t.

-5