Let v(x) = x**3 - x**2 - 2*x - 7. Let y be v(3). Solve y*a = 21 - 6 for a.

Suppose 33 = 2*u + 5*y, -3*u + y + 2 = -5. Solve -u*a = a - 15 for a.

3

Suppose 0 = -8*r + 4*r + 4. Let m(p) = -2*p - 2. Let b be m(-4). Let g be (b - 0)/(1 + 0). Solve -d + r = g for d.

-5

Let j(w) = -6*w2 - w + 4. Let h(p) = -p2 - p + 1. Let q(b) = 5*h(b) - j(b). Let k be q(5). Suppose -x + k*x = 20. Solve x*r = -r for r.

0

Suppose -15 = -5*h - 0. Solve -2 - 7 = h*d for d.

-3

Let a® be the second derivative of -r⁴⁄₁₂ - 5*r³⁄₆ - 2*r**2 + 7*r. Let u be a(-4). Solve u = -p + 5*p - 20 for p.

5

Let x® = -r**2 - 4*r + 6. Let v be x(-6). Let b be 2/v - (-4)/12. Solve b = -3*n - 11 - 4 for n.

-5

Let i(v) = v2 + 2*v - 2. Let a© = 3*c2 + 5*c - 7. Let z(p) = 3*a(p) - 8*i(p). Let n be z(0). Let k = n + 12. Solve 5*s + 13 = -k for s.

-4

Suppose 2*g - 1 = 5. Let o(u) = 3*u - 3. Let z be o(3). Solve 0*k - g*k = -z for k.

2

Let t be ((-18)/15)/((-6)/20). Suppose 0 = 3*y - 0*y - 12. Suppose -c - t*v + 11 = 0, v - y = -2. Solve u - c = -1 for u.

2

Suppose -5*k = -2*l + 36, 5*l - 56 = -0*l + 4*k. Let m be 4/l*¹⁰⁄₁. Solve 0 = m*i + 6 - 1 for i.

-1