Let i(y) = -y - 9. Let v be i(-9). Solve w + 2 + 1 = v for w.

Suppose 0 = 2*k + 2*k - 28. Suppose -k = -2*f + f. Solve 23 = 4*u + f for u.

4

Suppose -4*r - 4*b + 10708 - 2668 = 0, 0 = -2*r + 5*b + 3999. Suppose -3*c + r = -0*c. Let z be (-4)/(-18) + c/27. Solve -s + 6*s - z = 0 for s.

5

Suppose 16 = 3*o + 4*y - 2*y, 28 = 5*o + 2*y. Solve 2*x = -0*x + o for x.

3

Suppose 0 = -5*h + 3*h. Solve h = 2*o - 1 - 9 for o.

5

Suppose -5*q = 2*g - 5, -4*q - 2*g = -3*q + 7. Solve -2*c - 10 = q*c for c.

-2

Suppose 3*w - 5 = 2*w. Suppose -62 = -5*d + 13. Solve w*i = -10 - d for i.

-5

Let q(u) be the first derivative of -u⁴⁄₄ + 10*u³⁄₃ - 11*u**²⁄₂ + 11*u + 3. Let f be q(8). Suppose 3*i + 0*i - f = 0. Solve -3 = -5*w + i for w.

4

Let d be (2 - 1) + 0/(-3). Suppose b = -3*b - 4. Let k = b + d. Solve k*m = m for m.

0

Suppose 2*z + 1 = -3*k, -2*k + 0*k - 6 = 4*z. Suppose a - 3*a = -4. Let p = z + a. Solve p = 2*r + 2*r for r.

0

Let m = -51 + 59. Solve m = -3*f + 2 for f.

-2