Let y(v) be the second derivative of v**5/20 + v**4/2 - v**3/2 - 9*v**2/2 - 2*v. Let b be y(-6). Let o(s) = 2*s - 13. Let h be o(b). Solve -r - h = -2*r for r.

Let o(f) = f + 1. Let l(x) = 3*x - 1. Let w® = l® - 2*o®. Let s be w(5). Solve 7*p = s*p - 15 for p.

-3

Suppose 0*i = 3*i - 27. Let k(l) = -l + 9. Let f be k(i). Solve f = -2*w - 3*w + 15 for w.

3

Let f(a) = a3 + 4*a2 - 7*a - 7. Let x be f(-5). Solve -8 = x*g - g for g.

-4

Suppose 3*d + 0*i - 16 = 2*i, 4*d + i = 36. Let s = 15 - d. Solve 3*o - s*o = -8 for o.

2

Let p = 54 + -48. Solve -3*s + p = -s for s.

3

Let l = 56 + -50. Solve l = -5*i + 2*i for i.

-2

Let p = 4 - 1. Let s be (-172)/(-36) - (-2)/9. Suppose 5*o - s*a = -a + 2, 2*a = -4*o + 12. Solve 5*v = o*v + p for v.

1

Let w be (-1)/(((-4)/(-3))/(-4)). Suppose -3*l + 9 = -w. Solve -r - 9 = -l*r for r.

3

Suppose 4 = 4*j, 0*j = -5*g + j + 14. Suppose -g*w = -7*w. Let i = w - -5. Solve 1 = 2*s - i for s.

3

Let v be ⁴⁷²⁄₅₆ + (-30)/21 + 1. Solve -3*z = -1 - v for z.

3