Let d(v) = 6*v - 13. Let h be d(6). Let x be (h + -3)/4 + 1. Solve -4*i + 2*i = x for i.

Let c(t) = t. Let v be c(3). Let f(k) = -k**2 + 2*k + 3. Let g be f(v). Solve 3*a - 5*a + 6 = g for a.

3

Suppose -r = -4*u - 2*r + 36, -27 = -3*u - r. Solve -2*t - t - u = 0 for t.

-3

Let n(q) = -18*q + 2. Let b be n(-1). Solve -5*t + t + b = 0 for t.

5

Let r(m) be the second derivative of -m⁵⁄₂₀ - m⁴⁄₁₂ + 5*m. Suppose -4*i + 2*i = 0. Let z be r(i). Solve z = -3*y - y - 4 for y.

-1

Let n = 16 - 11. Solve -x + n = -2*x for x.

-5

Let c(z) be the third derivative of -z⁶⁄₁₂₀ - z⁵⁄₁₅ - z⁴⁄₁₂ - 5*z³⁄₆ + z**2. Let j be c(-4). Let p(o) = 2*o - 4. Let q be p(4). Solve s - j*s = q for s.

-2

Suppose -4*w - 2*k = -4, 0 = 2*w - 7*w - 2*k + 6. Solve -v + w = -3*v for v.

-1

Suppose -4*s = -2*s - 28. Suppose -s*p - 4 = -18*p. Solve 2*c + p = 9 for c.

4

Let d(s) = -s3 + 6*s2 - 9*s + 6. Let c be d(3). Suppose 1 = o - 3. Solve 4*t - o = c*t for t.

-2

Let g(j) = -j**2 + 3*j + 20. Let b be g(4). Solve -b = -2*u - 2*u for u.

4