Suppose 0 = -2*k + 4*k. Let m be 20/2*3/5. Suppose 5*f - 4 = 2*z + m, 4*f + z = 21. Solve -f*a + a - 9 = k for a.

Let m(x) be the first derivative of -x**²⁄₂ - 4*x + 1. Let t be m(-4). Solve 2*o - 7*o = t for o.

0

Suppose 4 = 3*p + 10, -4*n = 3*p + 2. Suppose -15 = -5*l + 2*l. Solve l*b + n = 26 for b.

5

Suppose p + 3*k + 4 = 0, -3*p + 3*k = 2*p - 16. Let n = -10 - 8. Let j be 12/(-10)*60/n. Solve 3*q + p = j*q for q.

2

Suppose 0 = -5*r + 3*k + 28, -k = -3*k - 2. Let s = r - 5. Suppose 3*l - 4*m + 1 + 3 = s, -4*m = 2*l - 4. Solve -4*c + 16 = -l*c for c.

4

Suppose 2*d - 15 = -3*d. Solve -d*f = 7 + 8 for f.

-5

Suppose 0 = 5*x - k - 95, -31 = -x - 2*k - 1. Solve -5*r = -9*r - x for r.

-5

Let u = 1 - 6. Let o = u + 5. Solve -5*m - 11 + 1 = o for m.

-2

Let y(o) = o - 6. Let i be y(6). Suppose x - 35 = 3*z - i*z, -2*z + 105 = 3*x. Let w = x - 19. Solve -3*s + w = 1 for s.

5

Let s(q) be the third derivative of q⁴⁄₂₄ + 7*q³⁄₆ - 3*q**2. Let t be s(7). Solve 5*m - t = 6 for m.

4

Let f = -16 + 26. Suppose 2*k - f - 4 = 0. Solve -2*a - 1 - k = 0 for a.

-4