Let o = 10 + -20. Let g = -8 - o. Suppose -3 = -g*m + 5, 4*s = -3*m + 20. Solve r - 1 = s*r for r.

Let a(k) be the third derivative of -k⁶⁄₁₂₀ - k⁵⁄₁₅ + k⁴⁄₆ - k³⁄₂ - k**2. Let z be a(-5). Suppose -z*p = -7*p + 15. Solve w = p*w - 6 for w.

3

Let l(a) = -a3 + 5*a2 - 5*a + 3. Let f = -11 + 15. Let z be l(f). Let g be (-105)/(-10) + z/2. Solve 0 = 5*r - g + 30 for r.

-4

Let i(w) = w3 - 4*w2 + 2*w + 4. Let s be i(2). Solve q + 3*q = s for q.

0

Suppose -5*i = 3*x - 43, 4*x - 4*i + 5*i = 63. Solve s - x = 5*s for s.

-4

Let c be (-2)/(-11) - ⁴⁴⁸⁄₄₄. Let b be (c + 8)/(2/(-6)). Solve b = 2*r - 4*r for r.

-3

Suppose 0 = -7*i + 11 + 3. Solve -i*w - 3 = -5*w for w.

1

Let w(u) = 2*u. Suppose -4*s = -5*f - 6, 3*s = 4*f + f + 7. Let g be w(f). Let n = g - -7. Solve n*h = h for h.

0

Suppose -21*w = -26*w + 20. Solve -8*q = -12*q - w for q.

-1

Let f be -2 + 2 + 1 + -4. Let s = f - -5. Solve s = -3*t - 1 for t.

-1

Let j = 25 + -23. Suppose 2*c - 8 = -j*c. Solve l = -c*l for l.

0