Let t(l) = -l**2 - l + 2. Let y be t(1). Solve y*r = -5*r + 20 for r.

Let h(x) = -x + 10. Let z be h(0). Suppose 2*y - 4 = -0. Let n(g) = 2*g - 13. Let d be n(8). Solve -y*f - z = d*f for f.

-2

Let y(x) = -x + 3. Let s be y(-6). Solve 5*p - 16 = s for p.

5

Let l(z) = z. Suppose 0 = -0*c + c. Let t be l©. Suppose u - 2 = -t. Solve u*v - 6*v = 0 for v.

0

Let x(m) = m + 12. Let q be x(-10). Solve q*s - 16 = 6*s for s.

-4

Let s(z) = -z3 - z2 - z + 4. Let h be s(0). Solve -8 = -h*b - 0*b for b.

2

Let v© = -c**2 + 2*c + 3. Let h be v(0). Solve h*d - 10 = -1 for d.

3

Let r be 5 + -4 + ⁶⁄₂. Suppose 0 = -4*s + r*y + 28, -2*s - 2*s + 28 = -3*y. Suppose -3*u + 48 = u. Solve -u = 4*m - s*m for m.

4

Suppose 6*s - 9*s = -36. Let w be 0/1 + (s - 9). Solve 0 = a - 1 - w for a.

4

Suppose -f + 4*f + 6 = 0. Let u = f - -6. Solve u*d = d for d.

0

Let b be ¹⁶⁄₁₀*(-30)/(-12). Let w = -4 + 7. Suppose 7 = -4*q - 13, q - w = -4*h. Solve -b*d = -5*d - h for d.

-2