Let n(a) = -3*a - 7. Let r(c) = -4*c - 6. Let g(y) = 6*n(y) - 5*r(y). Let m be g(8). Solve 12 = m*i - 4 for i.

Let z be ³⁄₁₂ - (-283)/4. Suppose -2*u - 20 = -5*n, -n + u = -4 - 0. Suppose -5*l = j - 90, -3*l = n*j - 0*j - z. Solve l = 3*y + 5 for y.

4

Suppose 0 = r + 2*d - 13, -3*d - 12 = -5*r + 3*r. Suppose 2*k = -3*k - 4*a + 36, 2*k - a - 4 = 0. Solve t = k*t - r for t.

3

Let b(u) = u**2 + 5*u + 7. Let d be b(-4). Solve -d*v - 3 + 6 = 0 for v.

1

Let b = 5 - 7. Let o(i) be the first derivative of i³⁄₃ + i2 + 3*i + 2. Let t be o(b). Solve t*n + 6 + 9 = 0 for n.

-5

Let j(m) be the second derivative of m⁵⁄₂₀ - m⁴⁄₂ - m3 - 3*m2 - 4*m. Let i be j(7). Solve 5*d - i = 9 for d.

2

Let q(b) = -b**2 - 11*b - 9. Let h be q(-9). Let s = h - 12. Let r be (3 - 5)/(s/18). Solve 0 = 6*u - 2*u - r for u.

3

Let a(g) = g. Let q be a(0). Suppose -2*k - 4 + q = 0. Let w = k + 2. Solve 0*c - 3*c = w for c.

0

Let w(t) = -2*t + 5. Let z be w(0). Suppose 0 = -z*d + 40 - 15. Solve d*s - 1 = 4 for s.

1

Let y(z) be the third derivative of z⁶⁄₁₂₀ + z⁵⁄₁₂₀ - z³⁄₆ + 3*z2. Let k(f) be the first derivative of y(f). Let v be k(-1). Solve h + v = 1 for h.

-1

Let d(i) = -3*i - 7. Let x be d(-5). Solve 0 = -4*j - x - 12 for j.

-5