Let x(k) be the third derivative of k**5/60 + k**3/6 + 3*k**2. Let u be x(0). Let s be u/4 + 21/12. Solve 3*l + s*l - 20 = 0 for l.

Let o(v) = -v3 + 7*v2 + 4. Let n be o(7). Let p = -4 + n. Solve -a + 3 - 2 = p for a.

1

Let f = 28 + -14. Let q = f - 14. Solve -2*y + q = 8 for y.

-4

Suppose 15*l - 168 = 3*l. Solve 4*c = -6 + l for c.

2

Suppose -2 + 18 = 4*n. Suppose -o - 3 = -2*s - 0*s, -n*s - 9 = -5*o. Solve 5*l + o = -5 for l.

-2

Suppose 5*v + 4*y = 0, -v + y = 4*y + 11. Solve -v = 3*b - b for b.

-2

Let l(q) = -q**2 + 4q + 4. Let c be (-6)/(-4)(-8)/(-3). Let o be l©. Solve 0*r + o = r for r.

4

Let l = 5 - 0. Suppose -i + 6*i + 20 = -5*g, -g = l*i + 4. Solve i = n - 1 + 3 for n.

-2

Let t(n) = -2*n - 2. Let y be t(2). Let g be (y/(-4))/(4/(-16)). Let p be (⁹⁄₆)/(g/(-8)). Solve -p*l + 6 = -2 for l.

4

Let f = -141 - -142. Solve 6*l = 5*l - f for l.

-1

Suppose -4*y + 4*r + 40 = 0, -y - 20 = 3*r + 2*r. Suppose -l = -y*o - 0*o - 12, -3*o + 2*l - 10 = 0. Let x be 4/o - (-1 - 11). Solve -3*k + k = x for k.

-5