Let t be ((-9)/(-6))/((-3)/(-30)). Let r be (-9)/6 - (-6)/4. Solve -3*v + t = -r*v for v.

Suppose 4*u + 2*v - 25 = u, 0 = -5*u - 5*v + 50. Solve 10*j - 5*j = u for j.

1

Let n be (-1 + 4)*(-8)/(-6). Suppose -4*g = -n*l - 8, -g + 5*l = -6*g + 10. Solve -3 = g*v - 1 for v.

-1

Suppose 10*y = 7*y. Solve y = -4*a - 6 + 18 for a.

3

Suppose 4*y - 16 = 0, 3*h - 3*y - 20 = -5. Let n(u) = -u**2 + 9*u + 8. Let g be n(h). Solve -q = q - g for q.

4

Let z = 5 - 2. Suppose 0 = z*m + m - 12. Solve -n = m*n for n.

0

Let w be (¹²⁄₉)/((-1)/(-3)). Let g(l) = -w*l + 23 - l - 24. Let u be g(-1). Solve -u = 5*a - 14 for a.

2

Suppose 5*z - 114 = -3*x, -5*x = 5*z - 23 - 87. Suppose -5*n = -5*i + 24 + 36, n = -3*i + z. Solve i = 2*m + m for m.

3

Suppose -6*j - 4*k = -11*j + 4, -5*j = k - 24. Solve 0 = j*f - 3*f for f.

0

Let a(w) be the second derivative of w⁵⁄₆₀ + 5*w³⁄₃ - w**²⁄₂ - 3*w. Let i(g) be the first derivative of a(g). Let p be i(0). Solve -p = -4*l + 6 for l.

4

Suppose -2*c + 5*c - 9 = 0. Solve p + c = -1 for p.

-4