Let z be ((-1)/(-2))/(2/28). Let d = -4 + z. Suppose -t - v = -0*v, 4*v = 3*t. Solve t = -y - d*y for y.

Suppose 4*q + 1 = -2*a + 7*q, -q = 5*a - 40. Solve -a*b - 10 = -2*b for b.

-2

Let x® = -r - 4. Let q = -16 + 7. Let g be x(q). Suppose 3*v = -0*v. Solve g*i + 4 + 1 = v for i.

-1

Suppose 2 = -0*v + v. Suppose 3*a - 68 = -v*s, -76 = -3*a - a + s. Let h = -8 + a. Solve 0 = -0*g - 3*g + h for g.

4

Let z(w) = w3 + 9*w2 + 7*w + 1. Let b be z(-8). Let j = -5 + b. Let a = -7 - -18. Solve -9 = j*o + a for o.

-5

Suppose d + 38 = 3*h, 58 = 2*h + 2*h - 5*d. Suppose -k - k = -h. Suppose -4*g + 2*g = -k. Solve -g = -3*s - 18 for s.

-5

Let c = 1 + 3. Let u = c - 2. Solve u*s = 4*s - 10 for s.

5

Suppose -s - 4 = -k, 3*k - 14 = -0*s + 5*s. Suppose -7*a = 8*a - 30. Solve -a + k = -d for d.

-1

Let k be 3 + 2/(-1) + 3. Solve -2*x + k = -x for x.

4

Suppose 0 = -4*j + y + 1 - 4, -15 = -j - 5*y. Solve -2*x = -j*x - 6 for x.

3

Let l(y) be the second derivative of 3*y⁵⁄₂₀ + y⁴⁄₁₂ - y**²⁄₂ + y. Let k = 28 - 27. Let f be l(k). Solve 3*r + 0 = f for r.

1