Let f(n) = -n3 + 18*n2 + 20*n - 17. Let z be f(19). Suppose 1 + 7 = k. Solve -2 = z*s + k for s.

-5

Suppose 0 = -m + 2*m. Let d(g) = g**2 - g. Let n be d(m). Suppose 0 = 2*w - 5*s - 21, -4*s + 2*s = 6. Solve -w*v + 9 = -n for v.

3

Suppose 2 = -4*x + 5*x. Solve 3*s = 2*s + x for s.

2

Let g = 5 + -5. Suppose 2*a + 3*u = -g*u + 52, -4*u = -4*a + 64. Solve 3*q = -q - a for q.

-5

Suppose 0 = -5*z + 8 - 3, 0 = -4*g - z + 65. Solve g = -0*o + 4*o for o.

4

Suppose 0*x - 3 = -x. Suppose -d = x*d. Suppose -2*w + 4 = -d*w. Solve 2*l = l + w for l.

2

Suppose -5*x = -2*j + 1 - 17, 3*x + j - 3 = 0. Solve 3*o - 5*o = -x for o.

1

Let h be (-23)/(-4) + 1⁄4. Suppose -3*r = -h*r + 18. Let b(i) = -i3 + 6*i2 + 2*i - 7. Let l be b®. Solve -l + 2 = -3*k for k.

1

Suppose -c + 8 - 3 = 0. Let v be (-1)/(c/(-2) - -2). Suppose v = -3*t + 2*j - 0, -2*j = t - 2. Solve t = -w - 2*w for w.

0

Let a be (6/(-3))/((-1)/6). Solve -4 = -4*m - a for m.

-2